What is the first step when adding the fractions 2/5+7/10
2 answers:
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Answer:
3.456E + 14=
Step-by-step explanation:
The river discharges cubic feet of water into the Pacific Ocean each second.
There are 86,400 seconds in one day.
Amount of water discharges each day
Since this differs from what you have, I will explain the scientific notation.
3.456E + 14 simply means
The options are not well laid out but you can pick the appropriate option.