Scientific Notation Was Auld

Write in standard form: 
2.12 x 10^-3

• .00212

• .000212

• 2,120

Write in scientific notation: 
540,020,000

• 5.4002 x 10⁸

• 5.4 x 10⁸

• 5.4002 x 10⁴

Write in scientific notation: 
0.0079245

• 7.9245 x 10^-3

• 7.9245 x 10^-2

• 7.9245 x 10³

Add. 
(4.5 x 10⁸) + (2.67 x 10⁸)

• 7.17 x 10¹

• 7.17 x 10⁸

• 1.83 x 10⁸

Add.
(8.31 x 10⁷) + (1.01 x 10⁴)

• 8.30899 x 10⁷

• 8.31101 x 10³

• 8.31101 x 10⁷

Subtract.
(5.6 x 10⁹) - (2.4 x 10⁶)

• 5.5976 x 10⁹

• 55.976 x 10⁹

• 5.5976 x 10⁶

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.8 x 10¹

• 3.008 x 10¹²

• 2.9375 x 10¹

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

(9.6×10^-8)÷(2×10^-15)

• -4.8×10⁷

• 4.8×10⁷

• 4.8×10^-7

• -4.8×10^-7

What is the simplified version of

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰