Answer:
5.3 x 1012= 5363
5.12 x 109= 558.08
Explanation:
Answer:2.7136 × 10^22
5.3 x 10^12 × 5.12 x 10^9 =
= 5.3 × 5.12 × 10^12 × 10^9
= 27.136 × 10^(12 + 9)
= 27.136 × 10^21
= 2.7136 × 10^22
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