Question

0.625E-3 is equivalent to pls help its urgent Nd give answer only​

Answer 1

(0.625E)⁻³ is equivalent to 5T.

In International System of Units, the term E is the symbol of the unit exa, whose factor is 10¹⁸.

As the expontent -3 isn't placed clearly to know, upon which term it acts, we assumed it to be applied on the whole. And the answer was rounded, as needed. So, the format in which we took the question is valid.

Computation of 0.625E ⁻³ :

0.625E - 3 = (0.625 x 10¹⁸)⁻³

                  = (625 x 10¹⁵) ⁻³

                  = (∛625) x (10¹⁵)⁻³

                  = 5 x 10¹⁵⁻³

                  = 5 x 10¹²

In International System of Units, the factor 10¹² denotes the unit Tera, whose symbol is T.

So, 5 x 10¹² = 5T

Therefore, the equivalent of 0.625E⁻³ is 5T.

Learn more :

• About derived units.

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• Evaluating a cubeth root.

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