Scientific Notations

Base Form of Scientific Notation

100

What is the base used in scientific notation?

10 

200

What part of scientific notation tells you how many times to multiply the base by itself?

exponent

300

What is the base form of 3,000,000 in scientific notation?

3×10⁶

400

What is the original number in base form for 1.23×10⁴

12,300

500

How do you express 0.000045 in scientific notation?

4.5×10^-5

Adding Scientific Notation

100

When adding two numbers in scientific notation, what must be the same in both numbers before you add?

The exponents

200

If you have 3x10³ + 5x10³, what is the sum?

8x10³

300

How would you add 2x10⁴+3x10³?

Rewrite as 2x10⁴ + 0.3x10⁴ = 2.3x10⁴