Question

Express 4500.000000 years, the age of the
Earth, in scientific notation.
years

Answer 1

4.5^3

Explanation:

If you there is a decimal point, so start counting from there towards the left.

there is a rule that there should be only one number before the decimal point, so the number should 4.5. it takes us 3 spaces to go to the decimal 4.5 so it is 4.5^3

Answer 2

(4*1000000000)+(5*100000000)

Explanation:

Since there are only 2 other numbers other than 0, all you would have to do is multiply 4 and 5 in the place they belong to.