Multiplying and Dividing in Scientific Notation

(5.3 x 10²) x (1.0 x 10²)

• 5.3 x 10⁴

• 5.3 x 10²

• 6.3 x 10²

• 53 x 10⁴

Solve:

(2.2 x 10⁵) x (4.5 x 10²).

• 9.9 x 10¹⁰

• 6.7 x 10⁷

• 9.9 x 10⁵

• 9.9 x 10⁷

Evaluate. Leave your answer in scientific notation.

(9.6×10⁸) ⁄ (3×10⁴)

• 6.6×10²

• 3.2×10¹²

• 3.2×10⁴

• 6.6×10⁴

(9.6×10^-8)÷(2×10^-15)

• -4.8×10⁷

• 4.8×10⁷

• 4.8×10^-7

• -4.8×10^-7

Multiply. Leave your answer in scientific notation.

(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.8 x 10¹

• 3.008 x 10¹²

• 2.9375 x 10¹

Multiply. Leave your answer in scientific notation.

(3.4×10⁴)(2×10⁴)

• 6.8×10⁴

• 5.4×10⁴

• 6.8×10⁸

• 5.4×10⁸

Determine the missing value.

(5.4×10^?)(3.2×10³) = 1.728×10¹⁶

• 12

• 13

• 18

• 5

Determine the missing value.
(5.4×10^?)(3.2×10³) = 17.28×10¹⁵

• 12

• 8

• 18

• 5

When multiplying in scientific notation, what do you do with the constants?

• Keep them

• Add them

• Multiply them

The US spends an average of 1.02x10⁴ dollars on each student per year.  There are about 7.6x10⁷ students in the US.  About how much money total is spent on students per year?

• 7.752 x 10¹¹

• 7.752 x 10²⁸

• 8.62 x 10¹¹

• 8.62 x 10²⁸