First, you do 18 miles times 3 hours.
The answer is 54
The you do 15 miles time 2 hours
The answer is 30
You can add them all up and get 84 miles total. (D)
Answer:
A
Step-by-step explanation:
Answer:
I am not sure, but I believe it is the last one. Sorry if it's not right.
\[(7.556\times 10^9)-(3.8\times 10^6) \]
\[=(7.556\times 10^3)10^6-(3.8)10^6\]
\[=(7556-3.8)10^6\]
\[=(7552.2)\times 10^6\]
\[=7.5522\times10^3\times10^6\]
<span>\[=7.5522 \times10^9\]</span>
