Question

2. 8.EE.1.4 In 2005. the US Mint in Denver produced 4.04 x 10^8 Oregon State quarters. The US Mint in Philadelphia produced 7.12 x 10^7 -Oregon State quarters. Considering the other two US Mint locations did not produce any quarters, how many Oregon State Quarters were minted in 2005? Express your answer in scientific notation.

Answer 1

EXPLANATION

Let's see the facts:

Denver Production: 4.04x 10^8

Philadelphia Production: 7.12x10^7

The production was:

`4.04x10^8+7.12x10^7=4.752x10^8`