Review of Exponents

  simplify    7^-2

• 1/7² = 1/49

• -49

• -14

• 1/14

A negative base with an even exponent is:

• Negative

• Positive

True or False:

a negative base with an odd exponent is always negative

• True

• False

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• 
• 
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Simplify:

(-5ab²)²

• 25a²b⁴

• -25a²b⁴

• 5a²b⁴

• 10a²b⁴

(-8x¹⁰y⁹)²

• -16x²⁰y¹⁸

• 64x¹²y¹¹

• 64x²⁰y¹⁸

• -16x¹²y¹¹

(2x³y)⁶

• 2x¹⁸y⁶

• 64x¹⁸y⁶

• 64x³y⁶

• 2x³y⁶

Simplify: (5a³b²)(2ab⁴)

• 10ab

• 7a⁴b⁶

• 10a⁴b⁶

• 10a³b⁵

(X²Y⁴) (X⁵Y¹²)

• X⁷Y¹⁶

• X¹⁰Y⁴⁸

• X^-3Y^-8

According to exponent rules, when we multiply two power with the same base we _______ the exponents.
Example: c⁶ ⋅ c⁴

• add

• subtract

• multiply

• divide