7A Topic 2 Test Review

Select the exponent that makes the equation true.

• 3

• 5

• 10

• 15

• 1

According to quotient rule, when we divide powers that are the same we _______ the exponents.

• add
• subtract
• multiply
• divide

Change from standard form to scientific notation:  0.000398

• 39.8  x  10^-5
• 3.98  x  10^-5
• 3.98  x  10^-4
• 39.8  x  10^-6

• 0

• 1

• 3

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

Factor:
p² - 14p

• p(1 - 14)
• 2p(p - 7)
• p²(1-14)
• p(p - 14)

Divide. Give the quotient in scientific notation.

(3 x 10^-5)/(4 x 10²)

• 7.5 x 10^-3

• 7.5 x 10^-8

• .75 x 10^-7

•  7.0 x 10²

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Any nonzero number raised to the zero power is equal to________.

• zero

• one

• the base

• a negative number

What is step 1?
(a * 10^b) (a * 10^b)

• Multiply (a * a)
• Divide (a / a)
• Add (a + a)
• Subtract (a - a)