Maths problem: how to do, thanks?
回答 (1)
2020-08-05 7:43 am
✔ 最佳答案
(b) Total length= (2.6 x 10⁵) x (4.5 x 10⁻⁷) = (2.6 x 4.5) x (10⁵ x 10⁻⁷)= 11.7 x 10⁻² = 1.17 x 10⁻¹ m
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