You round the two numbers you are multiplying and try it. Lets use 16 and 13 and round to the nearest ten. We would round 16 to 20, and 13 to 10. Then we multiply 20 and 10 and get 200. So the answer would be around 200. The actual answer is 208 by the way.
rounding
The answer is B.
you can do 5 12 times
commutative property 9X3
The only thing I can think of for a result or product of a technological system is output.No matter whether I use a software program or a form on a website, it generates output.
40 x 30 = 1200
By rounding off.
9X60
Rounding off, 80 x 60 = 4800. The actual product is 4698.
28
This when you are rounding off 43210 copy,56789 add 1
You can calculate 3444 times 670 without rounding or you can estimate it WITH rounding. But you cannot estimate it without rounding.
300000 and 1000
You don't need to: the answer is 2560.
331+193=524
50.0000.000
1000 x 40 = 40,000