Sam earned $450 during winter vacation. He needs to save $180 for a camping trip over spring break. He can spend the remainder o
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we have
<u>Pieces of mail delivered in December by the US postal service</u>
<u>Pieces of mail delivered in January by the US postal service</u>
To find the total mail delivered for these two months, sum the two quantities
so
therefore
the correct solution is
the error is in this part
To move decimal over one place 10 to the power of 10 should be 10 to the power of 11