What is the sum of 4.2x10^5 and 5.3x10^5

1 answer:

4 0

The answer is: " 9.5 * 10⁵ " .
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4.2 * 10⁵ + 5.3 * 10⁵ = (4.2 + 5.3) * 10⁵ = 9.5 * 10⁵ .
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