TO estimate you will
round 90 to 100
and round 30 to 50 (or you can leave it be)
then 100 X 30 (100 x50)
3000or 50000
:)
31,29 and 30
The product of 900 multiplied by 90 is 81,000.
3*30=90
30 x 90 = 2700
0.03333 repeating times
85→90; 32→30--------------------90 x 30--------------------270
30 x 3 = 90
30
90 รท 3 = 30 times
The product is 990
2,700 is 30 times the size of 90.2,610 is 30 times bigger than 90.
The product of 18 times 5 is 90.