anonymous 4 years ago The Sun burns about 4.4 × 1 0 6 tons of hydrogen per second. How much hydrogen does the Sun burn in one year? (Hint: one year = 3.16 × 1 0 7

1. anonymous

10 ^7

2. anonymous

10^6

3. phi

they want you to multiply two numbers that are in scientific notation. $4.4 × 10^6 \frac{tons}{sec} \times 3.16 × 10^7 \frac{sec}{year}$

4. phi

do you know how to do this?

5. phi

Here is an example by Khan http://www.khanacademy.org/video/scientific-notation-2?topic=worked-examples-4