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4 years ago

9 ten thousandths in scientific notation

Mathematics

1 answer:

Ronch [10]4 years ago

5 0

First write 9 ten thousands out as a decimal:

0.0009

To write in scientific notation, you move the decimal point to the right of the first whole number that isn't a zero. Count the number of spaces you move the decimal:

0.0009 becomes 9 and the decimal moved 4 places to the right.

Moving the decimal to the right means the exponent needs to be a negative number, so in this case the exponent becomes -4

The scientific notation is 9 x 10^-4

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