Scientific Notation Review

Converting to Scientific Notation

100

523,000,000

5.23x10⁸

200

0.00000654

6.54x10⁶

300

The mass of a particle of dust is 0.000000000753 kilograms.What is this number written in scientific notation?

7.53x10^-10 kilograms

Converting to Standard Form

100

4.122x10⁶

4,122,000

200

7.34x10^-7

0.000000734

300

Jupitor is 4.834x10⁸km away from the Sun. What is this number written in standard form?

483,400,000 km

Addition or Subtraction

100

(4.87×10⁵)+(3.54×10⁶)

4.027×10⁶

200

(4.2x10⁴)-(3x10²)

4.17x10⁴

300

A water park has pools, slides, and rides that, in total, make use of 8.3×10⁶ gallons of water. They plan to add a ride that would make use of an additional 380,000 gallons of water. Use scientific notation to express the total gallons of water made use of in the park after the new ride is installed.

8.68×10⁶

Multiplication or Division

100

What is the product of 2.8×10⁶ and 7.7×10⁵ expressed in scientific notation?

2.156×10¹²

200

What is the quotient of 8.1×10⁸ and 4.5×10⁵ expressed in scientific notation?

1.8×10³

300

8.6×10⁷ bacteria are measured to be in a dirt sample that weighs 1 gram. Use scientific notation to express the number of bacteria that would be in a sample weighing 19 grams

1.634x10⁹ grams