Quiz about 4/9 Exponents Practice

Question 1

According to exponent rules, when we raise the power to a power we _______ the exponents.
Example: (d²)⁵

Accepted Answer

multiply

Answer

add

Answer

subtract

Answer

divide

Question 2

According to exponent rules, when we divide two powers with the same base we _______ the exponents.
Example: h⁸/h³

Accepted Answer

subtract

Answer

add

Answer

multiply

Answer

divide

Question 3

Question 3.

Accepted Answer

-30x11

Answer

-30x18

Answer

-x11

Answer

-x18

Question 4

Question 4.

Accepted Answer

Option D is correct

Answer

A.

Answer

16c3d3

Answer

C.

Question 5

$$\frac{7^3}{7^{10}}$$

Accepted Answer

$$\frac{1}{7^7}$$

Answer

$$7^7$$

Answer

$$7^{13}$$

Answer

$$\frac{1}{7^{13}}$$

Question 6

(6x²)(-3x⁵)

Accepted Answer

-18x7

Answer

18x7

Answer

18x7

Answer

3x7

Question 7

Simplify the expression

Accepted Answer

x5

Answer

1/x5

Answer

x13

Answer

1/x13

Question 8

Simplify the following: $$\frac{2v^5}{8v^3}$$

Accepted Answer

$$\frac{v^2}{4}$$

Answer

$$4v^2$$

Answer

$$-6v^8$$

Answer

$$6v^8$$

Question 9

$$3x^2\ \cdot\ 7x^2\ \cdot\ 3x$$

Accepted Answer

$$63x^5$$

Answer

$$13x^4$$

Answer

$$24x^4$$

Answer

$$36x^2$$

Question 10

$$\left(4xy^3\right)^3$$

Accepted Answer

$$64x^3y^9$$

Answer

$$x^3y^9$$

Answer

$$12x^4y^6$$

Answer

$$64x^4y^6$$

Question 11

$$\left(x^5y^7\right)^3\ =\ x^{15}y^{21}$$

Accepted Answer

True

Answer

False

Question 12

$$\left(x^5y^7\right)^3\ =\ x^{15}y^{21}$$

Accepted Answer

True

Answer

False

Question 13

Simplify (2x⁴y⁷)³

Accepted Answer

8x¹²y²¹

Answer

6x⁷y¹⁰

Answer

6xy32

Question 14

Simplify the following expression:

(2a²b⁴z)(6a³b²z⁵)

Accepted Answer

12a⁵b⁶z⁶

Answer

8a⁵b⁶z⁶

Answer

12a⁶b⁸z⁵

Answer

8a⁶b⁸z⁵

Question 15

Evaluate using the quotient rule:

Accepted Answer

a2b7

Answer

a8b13

Answer

a¹⁵b³⁰

Question 16

$$\left(4qm^2p^2\right)^4$$

Accepted Answer

$$256q^4m^8p^8$$

Answer

$$16q^5m^6p^6$$

Answer

$$16q^4m^6p^6$$

Answer

$$256q^5m^6p^6$$

Question 17

Simplify: $$\left(3k^5\right)\left(-2k^3\right)$$

Accepted Answer

$$-6k^8$$

Answer

$$6k^8$$

Answer

$$-6k^{15}$$

Answer

$$6k^{15}$$

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