64 = 8 x 8 81 = 9 x 9 so around 8.5
495.5
12.311
71 + 847 = 918 165 + 72 = 237 192 + 192 = 384
3/8 = 3 divided by 8. That equals 0.375. Times this number (0.375) X 72 will equal 27. If you look at 3/8, this is less than 4/8 (or 1/2). So you can estimate that the number will be less than 1/2 of 72 which is 36.
3,000
72
64 = 8 x 8 81 = 9 x 9 so around 8.5
495.5
It is 50 and 20 = 70.
12.311
if you have to calculate, calculate exactly, answer is 31.32
the answer is 70 becuase round 72 to the nearest then it will be 70
71 + 847 = 918 165 + 72 = 237 192 + 192 = 384
So Many! I Would Estimate About 72 Trillion. Hope This Helps(:
The best definition for 72 is the number before 73 and after 71.
Rule of 72 is a method that you can use to estimate the time your investments will double.I will give you the formulas and examples of how to apply them1) 72/interest=years2)72/years=interestExample 1: An investor is earning an interest of 10%. How many years will it take for her investments to double.Solution: 72/10= answerExample 2: An investor wants to double her money in 9 years, at what rate of interest must she earn for her investment to double in 9 years?Solution: 72/9=answer