Exponents and Rational Numbers

^simplify 5x³ ⋅2x²

• 10x⁵

• 3x

• 10x⁶

• 7x⁵

Tags

CCSS.HSA.APR.A.1

Simplify to an equivalent expression in exponent form.

4³⋅4⁵

• 4⁸

• 16⁸

• 4¹⁵

• 16¹⁵

Tags

CCSS.8.EE.A.1

simplify 7^-2

• 1/49

• -49

• -14

• 1/14

Tags

CCSS.8.EE.A.1

The amount of bacteria in an infection after taking medication is (1/x³)ⁿ ; where n stands for the number of hours.

Write a simplified expression that represents the amount of bacteria in an infection 4 hours after taking medication.

• (1/x³)⁴

• (1/x³)^-4

• (1/x⁷)

• 1/x¹²

Anything raised to a power of zero is always: 

• 0
• 1
• itself
• negative

Tags

CCSS.8.EE.A.1

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

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

simplify the expression (5³x²y⁴)⁰

• 5xy

• 1

• 0

• 5

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

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

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

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

Convert to a decimal
           1/8

• .25
• .125
• .55....
• .18888...

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7