Compute With Scientific Notation

Which shows the product of (6.2×10⁵) (2.5x10⁸) in scientific notation?

• 15.5 x 10⁴⁰

• 15.5 x 10¹⁴

• 1.55 x 10¹⁴

• 1.55 x 10⁴⁰

Which shows the product of (7.2×10^-4) (3.5x10⁵) in scientific notation?

• 2.52 x 10¹

• 2.52 x 10²

• 2.52 x 10⁹

• 25.2 x 10^-20

7.23×10⁶ + 1.2x10³

• 8.43 x 10⁹

• 8.43 x 10³

• 7.2312 x 10⁶

• 7,231.2 x 10⁶

5.1×10^-5 - 4.9x10^-8

• 5.0951 x 10^-5

• 5,095.1 x 10^-8

• 2 x 10^-6

• 1 x 10^-4

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

When multiplying numbers in scientific notation, what do you do to the leading numbers?
For example:
(4×10⁵)(3×10⁻²)

• Keep them the same

• Divide them

• Add them

• Multiply them

When writing a number in scientific notation, the first number must be greater than or equal to 1, but less than 10.

• False

• True

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

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