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OpenStudy (anonymous):
What is the sum of 4.2 × 105 and 5.3 × 105?
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OpenStudy (anonymous):
what do you do when you find the answer
OpenStudy (anonymous):
add them together right
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
so add 441+556.5
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OpenStudy (anonymous):
and you will get your answer
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