Question 1

${(9.1}	imes{10^7)}-{(2}	imes{10^7)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

7.1 7

Question 2

${(4.045}	imes{10^6)}-{(9.4}	imes{10^4)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

3.951 6

Question 3

${(7.9}	imes{10^8)}-{(7.53}	imes{10^8)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

3.7 7

Question 4

${(3.2}	imes{10^2)}+{(4.047}	imes{10^2)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

7.247 2

Question 5

${(9.832}	imes{10^3)}-{(1.645}	imes{10^3)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

8.187 3

Question 6

${(2.3}	imes{10^8)}+{(9.3}	imes{10^8)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1.16 9

Question 7

${(8.69}	imes{10^8)}-{(9.6}	imes{10^6)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

8.594 8

Question 8

${(8.87}	imes{10^5)}-{(8}	imes{10^5)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

8.7 4

Question 9

${(9.94}	imes{10^7)}-{(5.2}	imes{10^7)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

4.74 7

Question 10

${(5.94}	imes{10^4)}+{(2.62}	imes{10^4)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

8.56 4

Question 11

${(2.8}	imes{10^3)}+{(4.3}	imes{10^3)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

7.1 3

Question 12

${(2.2}	imes{10^4)}-{(1.8}	imes{10^2)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

2.182 4

Question 13

${(2.53}	imes{10^9)}-{(5.02}	imes{10^8)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

2.028 9

Question 14

${(7}	imes{10^2)}-{(6.9}	imes{10^2)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1.39 3

Question 15

${(9.94}	imes{10^7)}-{(5.2}	imes{10^7)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1.514 8

Question 16

${(5.6}	imes{10^2)}-{(1.91}	imes{10^2)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

3.69 2

Question 17

${(4.4}	imes{10^8)}-{(1.6}	imes{10^{10})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1.644 10

Question 18

${(6.704}	imes{10^9)}-{(5.79}	imes{10^8)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

6.125 9

Question 19

${(2.4}	imes{10^4)}{(4}	imes{10^1)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

9.6 5

Question 20

${(2}	imes{10^5)}{(3}	imes{10^2)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

6 7

Question 21

${(2}	imes{10^3)}{(3}	imes{10^3)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

6 6

Question 22

${2}{(4}	imes{10^4)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

8 4

Question 23

${(6}	imes{10^3)}{(2}	imes{10^3)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1.2 7

Question 24

${20}{(1}	imes{10^{-4})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

2 -3

Question 25

${(3}	imes{10^{-3})}{(2}	imes{10^9)}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

6 7

Question 26

${(5}	imes{10^{-6})}{(1}	imes{10^{-3})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

5 -9

Question 27

${80}{(5}	imes{10^{0})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

4 2

Question 28

$\frac{4	imes10^4}{2	imes10^2}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

2 2

Question 29

${40}{(1}	imes{10^{-10})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

4 -9

Question 30

${0.07}{(1}	imes{10^{10})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

7 8

Question 31

${5}{(1}	imes{10^{10})}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

7 8

Question 32

$\frac{2	imes10^5}{2	imes10^4}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1 1

Question 33

$\frac{4	imes10^5}{2	imes10^2}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

2 3

Question 34

$\frac{3	imes10^5}{3	imes10^1}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1 4

Question 35

$\frac{6	imes10^{10}}{2	imes10^3}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

3 7

Question 36

$\frac{7	imes10^{-4}}{7	imes10^{-1}}=\Box	imes{10^\Box.}$ Type both answers and SEPARATE WITH ONE SPACE. Do NOT round.

Accepted Answer

1 -3

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