1. Scientific Notation with Positive Powers of 10

2. Warm Up Simplify each expression.
6 9 ∗ 6 0 ∗ 6 −10
10 2 ∗
10−6 3 ∗
12−

5. How many places to the left did you move the decimal point to write 41,200 in scientific notation?
What is the exponent on 10 when you write 41,200 in scientific notation?

8. Is 12 x 107 written in scientific notation? Explain.

9. Write each number in scientific notation.
6400
570,000,000,000
A light-year is the distance that light travels in a year and is equivalent to 9,461,000,000,000 km. Write this distance in scientific notation.

11. Explain why the exponents in 3
Explain why the exponents in 3.5 x 106 is 6, while there are only 5 zeros in 3,500,000.
What is the exponent on 10 when you write 5.3 in scientific notation?

12. Write each number in standard notation.
7.034 x 109
2.36 x 105
The mass of one roosting colony of Monarch butterflies in Mexico was estimated at 5 x 106 grams. Write this mass in standard notation.