Exponents practice

Write the product as a power :

(-2) ⋅ (-2) ⋅ (-2) ⋅ (-2) ⋅ (-2)

• -2⁵

• 2^-5

• (-2)⁵

• (-2)^-5

According to exponent rules, when we multiply the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

x^{20 .} x¹⁰

• x³⁰

• x²⁰⁰

• 2x³⁰

• x¹⁰

Simplify the expression: r⁶⋅r²⋅r³=

• r⁶⁺²⁺³
• r¹¹
• 11r

Simplify the following expression:

3x⁴ ⋅ 6x⁶

• 18x¹⁰

• 9x¹⁰

• 18x²⁴

• 9x²⁴

Simplify the following expression:

(2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

Simplify the following expression:

(-4r⁵)(2r⁸)

• -8r¹³

• -2r¹³

• -8r⁴⁰

• -2y⁴⁰

Simplify the following expression:

(-7y²)(5y⁴)

• -35y⁶

• -2y⁶

• -35y⁸

• -2y⁸

Simplify the following expression:

5a³b⁵ ⋅ 3a²b²

• 8a⁵b³

• 15a⁵b⁷

• 8a⁵b⁷

• 15a⁵b³

Simplify the expression.

• 7⁶
• 7^-5
• 1/7⁵
• 7⁵