Question 1

Calculate $-(-a^2)^4$

Accepted Answer

$-a^8$

Answer

$a^6$

Answer

$a^8$

Answer

$-a^6$

Question 2

Calculate $-\frac{3}{8}a	imes(-4b)^2 $

Accepted Answer

$-6ab^2$

Answer

$4ab^2$

Answer

$6ab^2$

Answer

$-4ab^2$

Question 3

Calculate $\frac{x}{4}	imes(-\frac{y}{3})^3	imes(-6x)^2$

Accepted Answer

$-\frac{1}{3}x^3y^3$

Answer

$-x^3y^3$

Answer

$\frac{1}{3}x^3y^3$

Answer

$-\frac{1}{3}y^3$

Question 4

Calculate $(-16p^2q)\div(-8pq^2)$

Accepted Answer

$\frac{2p}{q}$

Answer

$-\frac{2p}{q}$

Answer

$\frac{q}{2p}$

Answer

$\frac{q}{2}$

Question 5

Calculate $\frac{2}{3}m^2n\div(-\frac{8}{9}mn^2)$

Accepted Answer

$-\frac{3m}{4n}$

Answer

$-\frac{3}{4}$

Answer

$\frac{3m}{4n}$

Answer

$-\frac{3}{4n}$

Question 6

Calculate $-{p^3}{q^3}\div(-\frac{p}{6})\div\frac{3}{2}pq$

Accepted Answer

$4pq^2$

Answer

$-4pq^2$

Answer

$4p^2q$

Answer

$4pq$

Question 7

Calculate $(-2xy)^3\div(-\frac{1}{3}x^2y)	imes\frac{3}{4}y$

Accepted Answer

$18xy^3$

Answer

$-18xy^3$

Answer

$18x^3y$

Answer

$18xy$

Question 8

Find the missing expression in $\boxdot$: $8ab^2\div\boxdot	imes(-2b)=-4b^2$

Accepted Answer

$4ab$

Answer

$-4ab$

Answer

$4b$

Answer

$4a$

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