MCQ
The scientific notation of 720000 is:
Unit-1 Physical Quantities and Measurement
A 7.2 x 10^5
B 7.2 x 10^4
C 72 x 10^5
D 7.2 x 10^-5
Explanation

Moving the decimal point 5 places to the left gives 7.2, so 720000 = 7.2 x 10^5.