Question

Evaluate each expression. Express the result in scientific notation.

Answer 1

4.
`6.3 * 10^4`

6.
`3.75 * 10^(-19)`

Explanation:

9.45 * 10^10 / (1.5 * 10^6) = 9.45 / 1.5 * 10^10 / 10^6 = 6.3 * 10^4

9 * 10^(-11) / (2.4 * 10^8) = 9 / 2.4 * 10^(-11) / 10^8 = 3.75 * 10^(-19)