Question

Express each number in decimal notation (i.e, express the number without using scientific notation).13.7 x 10^9 years ( approximately age of the universe.

Answer 1

Okay, here we have this:

13.7 x 10^9

=13.7*1000000000 (We raise 10 to 9)

=13.700'000.000. (We carry out the multiplication)

It is equivalent to running the decimal point 9 places

Finally we obtain that 13.7 x 10^9 in decimal notation is 13.700'000.000.