Adding and Subtracting in Scientific Notation

Subtract the numbers in scientific notation.

(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵

• 1.81 x 10³

• 1.81 x 10⁶

• 1.81 x 10⁴

Add the numbers in scientific notation.

4.1 x 10⁵ + 5.5 x 10⁶

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Subtract (8.7 x 10⁹) - (2.5 x 10⁷) in scientific notation.

• 6.2 x 10²

• 6.2 x 10⁹

• 7.23 x 10⁷

• 8.675 x 10⁹

Give the sum of (8.7 x 10^-7) + (3.23 x 10^-5) in scientific notation.

• 1.193 x 10^-12

• 3.317 x 10^-5

• 3.317 x 10^-12

• 5.53 x 10^-2

Give the difference of (6.4 x 10^-6) - (5.7 x 10^-7) in scientific notation.

• 5.83 x 10^-6

• 7 x 10^-7

• 1.23 x 10^-13

• 1.3 x 10^-6