Question

Write 12,400,000 in scientific notation. (Thanks)
1.24 ������ 10^[7]

1.24 ������ 10^[4]

12.4 ������ 10^[1]

12.4 ������ 10^[7]

Answer 1

Hi!

Okay, so, when writing a number in scientific notation, you want to always place the decimal behind the first number (so that it isn't bigger than one). So, you can rule out options C and D, because the decimal is behind the two, making the number 12.

Next, count every number that comes after the decimal. How many numbers are after the decimal? :)

Answer 2

Thanks!! I got the answer now!

Answer 3

Awesome! You're welcome. :)