Post Test #2 Review

(-2x³y³)²

• 4x⁵y⁵
• 4x⁶y⁶
• -4x⁵y⁵
• -4x⁶y⁶

Write x⁻⁴ with a positive exponent

• x⁴
• 4/x
• 1/x⁴
• x/4

Simplify x⁹x⁻²

• x⁻¹⁸
• x⁻⁷
• x¹¹
• x⁷

Evaluate 2⁻⁵

• -10
• 1/10
• -32
• 1/32

Write 6.5 x 10⁻⁷ in standard form

• 0.00000065
• 0.0000065
• 65000000
• 650000000

Write the 9,250,000 in proper scientific notation.

• 925 x 10⁴
• 9.25 x 10⁴
• 9.25 x 10⁶
• 9.25 x 10⁻⁶

Simplify (3.5 x 10⁻⁷)(5.2 x 10³)
Write your answer in proper scientific notation.

• 8.7 x 10⁻³
• 1.82 x 10⁻³
• 1.82 x 10⁻²
• 1.7 x 10⁻³

Simplify (2.65 x 10⁸) + (5.14 x 10⁶)

• 7.79 x 10⁸
• 2.7014 x 10⁸
• 7.79 x 10¹⁴
• 2.7014 x 10¹⁴

(4.2 x 10⁵) ÷ (7 x 10⁻³)

• 6 x 10⁷
• 6 x 10⁸
• 6 x 10²
• 6 x 10¹

-√4/36

• - 1/9
• - 1/3
• can not be solved
• 4/36