Question

In the example problem, 0.000000005 = 5 x 109.

What is the standard form of 10-??

Answer 1

`5x10^(-9)`

Explanation:

In this case, the example is missing the negative sign.

This is an example of scientific notation, which is used to reduce a very large number into a short expression like: 0.000000005, which is reduced in the expression
`5x10^(-9)`.

It's important to say that the negative sing in the exponent, indicates that all zeros that are being reduce, are placed at the right of the number. Also, to apply a correctly scientific notation, the number reduced should be between 0 and 10.