Miranda is adding the numbers below. 2.9 times 10^10 + 5.35 times 10^10 What is the sum written in scientific notation?
1 answer:
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First, recall that
So if , then
.
Second,
We know that and
, which means we should also have
.
Third,
but as we've already shown, we need to have , so we pick the negative root.
Finally,
Unfortunately, none of the given answers match, so perhaps I've misunderstood one of the given conditions... In any case, this answer should tell you everything you need to know to find the right solution from the given options.