write scientific notation for adding 5.55×10⁴ and 6.55×10³
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Answer:
6.20 × 10⁴
Explanation:
[6.55× 10³= 0.655×10⁴]
5.55× 10⁴ + 0.655× 10⁴
= (5.55+0.655) × 10⁴
= 6.20×10⁴
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