Scientific Notation Study Guide

Without Calculator

100

Write in Scientific Notation:

0.0000099

9.9 x 10^-6

200

Write in Standard Notation:

2.92 x 10⁷

29,200,000

300

Write in Standard Notation:

3.4 x 10^-3

.0034

400

Write in Scientific Notation:

227 x 10¹

2.27 x 10³

500

Write in Scientific Notation:

0.005 x 10¹

5 x 10^-2

Steps

100

What is the first step to typing scientific notation in a calculator?

Type the first number

200

What does 2nd + Comma lead to?

EE

300

What does EE stand for?

times 10

400

Define scientific notation

A short way to write long numbers

500

Name the 3 parts of scientific notation

Coefficient, base, exponent

Solve

100

A virus is viewed under a microscope. Its diameter is 0.0000625 inches. How would this length be expressed in scientific notation?

6.25 x 10^-5 inches

200

The maximum length of a professional Futbol field is 4.72441 x 10³ inches. Write this number in standard notation.

4724.41 inches

300

Shelby is a puppy who really, really likes pine cones. In 4 months she has managed to accumulate 1.6 x 10¹ pine cones. Assuming Shelby continues to gather pine cones at the same rate, how many pine cones will she have after 20 months?

8 x 10¹

400

The speed of light is 6.71 x 10⁸ miles/hour. If the sun is 1.416 x 10⁸ miles from Mars, how any hours does it take light to reach Mars? Express your answer in scientific notation.

2.110283159 x 10^-1

500

A speck of dust in an electron microscope is 1.2 x 10² millimeters wide. The image is 5 x 10² times larger than the actual size. How many millimeters wide is the actual speck of dust?

2.4 x 10^-1