Question 1

How would you write 0.0005 in scientific notation?

Accepted Answer

5 x $10^{-4}$

Answer

0.5 x $10^{3}$

Answer

5 x $10^{3}$

Answer

5 x $10^{-5}$

Question 2

How would you write -5.6 x 10$^{-3}$ in standard form?

Accepted Answer

-0.0056

Answer

-5,600

Answer

0.00056

Answer

0.0056

Question 3

How would you write 4.3756 x $10^4$ in standard form?

Accepted Answer

43,756

Answer

0.00043756

Answer

437,560,000

Answer

4,375.6

Question 4

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

Accepted Answer

False

Answer

True

Question 5

Scientific Notation is made up of two number parts. The second part is a power 10.

Accepted Answer

True

Answer

False

Question 6

How do you write 8.317 x 10$^6$ in standard form?

Accepted Answer

8,317,000

Answer

83,170,000

Answer

8,371,000

Answer

837,100

Question 7

Which of the following is correct scientific notation?

Accepted Answer

2.035 x10$^4$

Answer

0.2035 x10$^4$

Answer

20.35 x10$^4$

Answer

203.5 x10$^4$

Question 8

Express the following in scientific notation:
.000457

Accepted Answer

4.57 x 10$^{-4}$

Answer

457 x 10$^{-6}$

Answer

4.57 x 10$^{4}$

Answer

457 x 10$^{6}$

Question 9

Convert to scientific notation:
520,000,000

Accepted Answer

5.2 x 10$^{8}$

Answer

52 x 10$^{7}$

Answer

5.2 x 10$^{-7}$

Answer

0.52 x 10$^{9}$

Question 10

What is scientific notation?

Accepted Answer

A short way to write really large or really small numbers

Answer

None of the above

Answer

I don't know...

Answer

A long way to write really short numbers

Question 11

If the exponent is a positive number the original number was...

Accepted Answer

a really big number.

Answer

a really small number....like less than 1.

Question 12

If the exponent is a negative number the original number was...

Accepted Answer

a really small number....like less than 1

Answer

a  really large number.

Question 13

Multiply:
(3.4 x 10$^5$)(1.2 x 10$^{-3}$)

Accepted Answer

4.08 x 10$^{2}$

Answer

4.08 x 10$^{-8}$

Answer

4.8 x 10$^{2}$

Answer

4.08 x 10$^{-15}$

Question 14

Divide:
$\frac{6.9 	imes10^7}{2.3 	imes10^3}$

Accepted Answer

3 x 10$^{4}$

Answer

3 x 10$^{-4}$

Answer

3 x 10$^{-11}$

Answer

3 x 10$^{10}$

Question 15

(2.1×10​$^2$​​) × (3.0×10$^4$)

Accepted Answer

6.3 x 10$^6$

Answer

5.1 x 10$^6$

Answer

6.3 x 10$^8$

Answer

5.1 x 10$^2$

Question 16

UNDERSTANDING:
The first number in scientific notation must be...

Accepted Answer

between and including 1 and 9.9999

Answer

between and including 0 and 10

Answer

between and including 0 and 9.999

Answer

between and including 1 and 10

Question 17

Solve:
(4.1×10​$^2$​​) × (3.0×10​$^4$)

Accepted Answer

1.23 x 10$^7$

Answer

1.23 x 10$^8$

Answer

12.3 x 10$^8$

Answer

12.3 x 10$^6$

Question 18

Divide:
$\frac{2.7 	imes 10^{15}}{8.1 	imes 10^{10}}$

Accepted Answer

3 x 10$^{4}$

Answer

3 x 10$^9$

Answer

0.3 x 10$^{5}$

Answer

3 x 10$^{5}$

Question 19

1.	Write the expression  in exponential form.  (7)(7)(7)(x)(x)(x)(x)(y)(y)(y)(y)(y)(y)

Accepted Answer

$7^3x^4y^6$

Answer

$7^3xy^{24}$

Answer

$21x^4y^6$

Answer

$7^3xy^{10}$

Question 20

Find $n$ so that the equation is true.  $(5^3)^n=5^{18}$

Accepted Answer

$n$ = 6

Answer

$n$ = -6

Answer

$n$ = 9

Answer

$n$ = 15

Question 21

Find $m$ and $n$ so that the equation is true.  $3^m 	imes6^5	imes 3^4	imes6^n = 3^8	imes 6^{10}$

Accepted Answer

$m$ = 4, $n$ = 5

Answer

$m$ = 3, $n$ = 5

Answer

$m$ = 4, $n$ = 2

Answer

$m$ =2, $n$ = 2

Question 22

Simplify the expression.   You answer should be in exponential form.  $\frac{7^3	imes5^6}{7	imes5^2}$

Accepted Answer

$7^2	imes5^4$

Answer

$7^3	imes5^3$

Answer

$7^3	imes5^4$

Answer

$7^4	imes5^8$

Question 23

Simplify the expression.  $2^m	imes2^n$

Accepted Answer

$2^{m+n}$

Answer

Not enough information.

Answer

$4^{m+n}$

Answer

$2^{m	imes n}$

Question 24

Which of the following is NOT equivalent to $\frac{w^5}{w	imes w^4}$?

Accepted Answer

0

Answer

$w^0$

Answer

1

Answer

$\frac{w^5}{w^5}$?

Question 25

Simplify the expression.  $m^{-4}$

Accepted Answer

$\frac{1}{m^{4}}$

Answer

$\frac{1}{m^{-4}}$

Answer

$\frac{m^{4}}{1}$

Answer

$m^4$

Question 26

Simplify the expression.  $\frac{k^7w^5}{k^3w^4}$

Accepted Answer

$k^4w$

Answer

$\frac{k^4}{w}$

Answer

$\frac{k^{10}}{w^9}$

Answer

$k^{-4}w^{-1}$

Question 27

Simplify the expression.  $\frac{m^3p^5}{m^8p^2}$

Accepted Answer

$\frac{p^3}{m^5}$

Answer

$\frac{m^{11}}{p^7}$

Answer

$\frac{m^5}{p^3}$

Answer

$m^{5}p^{3}$

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