Express the number 0.009402 in scientific notation
a/9402 x 10^6
b/9.402 x 10^-3
c/9.402 x 10^-6
d/9.402 x 10^3

The number 0.009402 can be written as in scientific notation.

Option B

Explanation:

The best way to convert a decimal number into a scientific notation is to multiply and divide the decimal number with power of tens. The decimal number having zeros before the significant digit should be multiplied and divided with the power of tens.

Then, the first significant digit will come before the decimal point. In this, the given number is 0.009402, so the scientific notation represented in powers of tens as follows:

So, as the multiplied 1000 leads to forwarding of first significant digit before the decimal point, the dividing 1000 should be written as . Thus the scientific notation will become .

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