Math 3 - Ch. 6 Practice Test

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³
• 8 x 10³⁶
• 8 x 10⁵
• 8 x 10^-36

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²
• 2.5 x 10¹⁴
• 25 x 10¹²
• 25 x 10¹³

5 x 10¹²
------------
2 x 10⁶

• 2.5 x 10²
• 2.5 x 10⁶
• 3 x 10²
• 2.5 x 10¹⁸

2 x 10⁵
----------
8 x 10²

• 2.5 x 10⁴
• 2.5 x 10²
• 25 x 10³
• .25 x 10³

(2.8 * 10⁸) (2.2*10³)

• 6.16 * 10²⁴
• 5.0 * 10¹¹
• 6.16 * 10¹¹
• 61.6 * 10¹¹

(8.4 * 10⁶)/(2.1 * 10³)

• 0.4 * 10⁴
• 400 * 10^-3
• 4 * 10³
• 4 * 10²

What is the simplified version of

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

Multiply using scientific notation.
(2 x 10³) x (1.9 x 10²)

• 3.8 x 10⁵
• 3.8 x 10²
• 3.8 x 10⁴
• 3.8 x 10⁶

Write 1.09 x 10^-4 in standard notation.

• 1,090

• 10,900

• 0.000109

• 0.0109

Write 0.54 x 10⁵ in scientific notation.

• 5.4 x 10⁶

• 5.4 x 10⁵

• 5.4 x 10⁴

• 54 x 10³