Operations With Scientific Notation

A computer's hard disk drive holds 8 x 10⁷ bytes of information.  If Jill buys an extra memory stick that holds 3 x 10⁶ bytes of information, how much memory will the computer hold?

• 11 x 10¹³

• 11 x 10⁷

• 8.3 x 10¹³

• 8.3 x 10⁷

(8 x 10⁴) - (2 x 10⁴)

• 16 x 10¹⁶

• 16 x 10⁸

• 6 x 10⁸

• 6 x 10⁴

2 x 10⁵
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8 x 10²

• 2.5 x 10⁴

• 2.5 x 10²

• 25 x 10³

• 0.25 x 10³

(5 x 10⁶) - (3 x 10⁶)

• 2 x 10¹²

• 2 x 10⁶

• 2 x 1036

• 2 x 10⁰

Give the sum in scientific notation.

(2.6 x 10⁶) + (4.2 x 10⁶)

• 6.8 x 10⁶

• 6.8 x 10¹²

• 8.4 x 10⁶

• 3.2 x 10¹²

Give the sum in scientific notation.

• 1.02 x 10⁸

• 1.02 x 10⁹

• 9.2 x 10⁸

Give the difference in scientific notation.

• 2.45 x 10⁰

• 3.5 x 10⁷

• 2.45 x 10⁷

• 17.29 x 10⁷

Multiply. Give the product in scientific notation.

(9.6×10³) × (6.7×10²)

• 6.432×10⁵

• 6.432×10⁶

• 6.432×10¹

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

Give the sum of (8.7 x 10⁵) + (7.32 x 10⁷) in scientific notation

• 16.02 x 10⁷

• 7.407 x 10⁵

• 7.407 x 10⁷

• 1.602 x 10⁷