(MAFS.8.EE.1.3) Scientific Notation

(MAFS.8.EE.1.3) Scientific Notation

How does scientific notation work again?

1) Move the decimal point to the left/right until the number is between 1 and 10.

Positive = large numbers (right)

Negative = small numbers (left)

Multiple Choice

Which number is between 1 and 10?

• 104

• 10.4

• 1.04

• 0.104

How does scientific notation work again?

2) Count how many places you move the decimal point (this becomes the exponent on the power of ten).

If the problem says x 10³, it is the same as multiplying by 1,000.

10 x 10 x 10 = 100 x 10 = 1,000

Multiple Choice

Which number equals 10^3?

• 10

• 100

• 1,000

• 10,000

How does scientific notation work again?

3) Don't forget to rewrite your answer with the decimal in the new place, your multiplication sign and the power of ten!

Multiple Choice

What is 2.35 × 10^-3 in standard form?

• 0.00235

• 0.0235

• 0.235

• 2,350