How do you write 435.886 in scientific notation?

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Answer 1 · 2015-12-09T13:52:24

$4.35886 xx 10^2$

This number is read as "four hundred" , then "and".

Scientific notation allows only one digit before the decimal place, and "hundred" is written mathematically as $10 xx 10$ , or $10^2$ .

Without the other digits, the number four hundred would be written as $4. xx 10^2$ .

All the other digits in the number are written after the decimal point.

If you wrote $"3,000,000"$ (three million) in scientific notation, write down the first digit and put in a decimal, $3.$

A million is $10 xx 10 xx 10 xx 10 xx 10 xx 10$ , or $10^6$ .

So you have $= 3. xx 10^6$

All other digits in the number are written after the decimal point.

$"3,173,765" -> 3.173 765 xx 10^6$