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: