How do you write the answer in scientific notation given (2.1times10^-4)/(8.4times10^-6)?
2 Answers
Apr 16, 2017
Explanation:
=0.00021/ 0.0000084
=2100/ 84
=25
=2.5 xx10^1
Apr 16, 2017
Explanation:
Use the exponent rule
Scientific notation requires a non-zero number to be to the left of the decimal point. This means you need to move the decimal to the right one place which decreases the exponent by 1: