Multiplication
posted by john .
what is 1250* 2987??

www.wolframalpha.com

3733750

Let's try this without a calculator.
1250*2987 =
8*1250*2987/8 =
10,000*2987/8 =
10,000*(3000  13)/8 =
10,000*(1500  6.5)/4 =
10,000*(750  3.25)/2 =
10,000*(375  1.625)=
10,000*373.375 =
3733750 
"what is 1250* 2987"
Let's do this mentally:
1250*2987
=29870000*0.125
=29870000/8
= 3733750