Question

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Select the correct scientific notation form of this numeral.


1,263



A. 12.63 × 10 2


B. 1.263 × 10 3


C. 12.63 × 10 3


D. 1.2 × 10 3

Answer 1

The answer is B.

Explanation:

To express a number in scientific notation it has to be expressed in the form a x 10^n

Where 1 < a < 10 and n is an integer

rewrite 1236 as a number between 1 and 10 ie. 1.236 and to get it equal to it's original value we have to multiply by 1000.

So 1236 = 1,236 * 10^3

Answer 2

Explanation:

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