Write the following numbers in decimal form.

1.432 × 10^-9

The given number is 1.432×10^-9

In this number the decimal number is 1.432

Now we have to move the decimal point the number of places specified by the power of 10:to the right if positive to the left if negative. Add zeros if necessary. Rewrite the number in decimal form.

Here power of 10 i.e. n is 9.

So, the number indecimal form is 0.000000001432