.000005
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The standard form of 52 millionths (0.000052) is: 5.2 × 10-5
Twenty one millionths in standard form is written as 0.000021. This is because each place value after the decimal point represents a power of 10 that is negative. In this case, the digit 2 is in the hundred thousandths place, the digit 1 is in the millionths place, and the rest are zeros.
Oh honey, let me break it down for you. To write 5 millionths as a decimal, you simply move the decimal point six places to the left because there are six zeros in a million. So, 5 millionths as a decimal is 0.000005. Voilà!
Well, honey, to write 0.0005 in standard form, you move the decimal point four places to the right to get 5 x 10^-4. It's as simple as that! Just remember, standard form is all about making those big or tiny numbers easier to work with.
in standard form 0.0566 is 5.66 x 10-2 think of it as moving the 5 2 places after the decimal point to give the -2