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Bad White [126]
3 years ago
13

What is the sum of 4.2 × 105 and 5.3 × 105?

Mathematics
2 answers:
Maru [420]3 years ago
8 0
4.2 times 105 is 441 and 5.3 times 105 is 556.5.
441 plus 556.5 is 997.5
So the answer is 997.5
Anvisha [2.4K]3 years ago
6 0
Hey there!

So, first we would do a first part if this problem.

4.2*105 

This would equal . . . .

\boxed{\boxed{441}}
_____________________________________________________________

Then we would do the second part of the problem.

5.3*105

This would equal . . . .

\boxed{\boxed{556.5}}

(By adding both (441) and also (556.5)

This would equal . . . 
                                                   
 \boxed{\boxed{\boxed{997.5}}}

Hope this helps.
~Jurgen                                   
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