8th Midterm review

Simplify the expression:
(5⁸) ÷ (5²)

• 5⁶
• 5¹⁰
• 5⁴
• 5¹⁶

Simplify the expression in exponential form:
(5⁴)^{3
Hint: Expand it out}

• 5¹
• 5⁷
• 5¹²

Simplify the expression in exponential form:
134⁰

• 0
• 134
• 1

If (2^x)⁵=2¹⁵, what does x equal?

• x = 3
• x = 5
• x = 10

Write in standard form: 
8 x 10⁴

• 8,000
• 80,000
• .00008

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Tags

CCSS.8.EE.A.3

Which number is correctly written in scientific notation?

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

Write in scientific notation: 
0.0000378 

• 3.78 x 10^-5
• 3.78 x 10^-6
• 0.378 x 10^-5

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰
• 3 x 10⁴
• 3 x 10^-4
• 3 x 10^-11

Tags

CCSS.8.EE.A.4