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Tatiana [17]
3 years ago
12

(1.28X10⁴) + (6.4x10²)​

Mathematics
2 answers:
lisov135 [29]3 years ago
6 0
(1.28x10000) + (6.4x100)
12800 + 640
13440

You move the decimal 4 places to the right for (1.28x10000) and you move the decimal 2 places to the right for (6.4x100)
Alexeev081 [22]3 years ago
6 0
The answer to this question is 13440
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