# What is #705470 -: 15010#?

##### 1 Answer

Mar 29, 2016

#### Explanation:

To find an approximation while keeping the arithmetic a little easier, divide

#705 = 600 + 105 = (40*15) + (7*15) = 47*15#

So:

To see how close we are, try:

#15010 * 47 = ((15*47)*1000) + (10*47) = 705000+470 = 705470#