Module 1 review- Accelerated

According to the rules of exponents, when we multiply powers with the same base _______ the exponents and keep the base the same.

• add

• subtract

• multiply

• divide

Answer explanation

Tags

CCSS.8.EE.A.1

According to the rules of exponents, when we divide powers with the same base _______ the exponents and keep the same base.

• add

• subtract

• multiply

• divide

Answer explanation

Tags

CCSS.8.EE.A.1

According to the rules of exponents, when we raise a power to a power, _______ the exponents.

• add

• subtract

• multiply

• divide

Answer explanation

Tags

CCSS.8.EE.A.1

Anything raised to a power of zero is always: 

• 0

• 1

• itself

• negative

Answer explanation

Tags

CCSS.8.EE.A.1

Write 3/5 as a percentage.

• 160%

• 60%

• 6%

• 0.6%

Answer explanation

DIVIDE!

Fraction bar means division.

Divide the numerator by the denominator!

Then multiply by 100 or move the decimal to the right two places to convert it to a percent.

Answer explanation

To write a repeating decimal as a fraction, look at how many digits are repeating.

If one digit is repeating put it over one 9.

If two digits are repeating put it over two 9's

If three digits are repeating put it over three 9's.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Express using a positive exponent.

3⁻⁴

• 
• -3⁴

• 3⁴

• 

Answer explanation

Tags

CCSS.8.EE.A.1

Which of the following is equivalent to

6 ⋅ 6⁷ ?

• 6⁸

• 6⁶

• 6⁷

• 6

Answer explanation

6 = 6¹

Tags

CCSS.8.EE.A.1

• 8⁵

• 8⁹

• 8¹⁴

• 1⁵

Answer explanation

Quotient rule!

When dividing powers with the same base, subtract the exponents and keep the base the same!

Tags

CCSS.6.EE.A.1

Use the properties of exponents to write an expression equivalent to:

2³

2^-5

^{Hint: 3- (-5)}

• 2^-2

• 2^-8

• 2⁸

• -1

Answer explanation

Quotient rule!

Dividing powers with the same base, subtract the exponents and keep the base the same.

Be careful of the double negative!

Tags

CCSS.8.EE.A.1