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Mathematics 18 Online
OpenStudy (taepoohwae):

how do i multiply 358*26 and estimate it

OpenStudy (cwrw238):

estimate changing number to nearest 10 , 100 1000 etc so 358 becomes 400 and 26 becomes 30 estimate is 30 * 400 = 12,000

OpenStudy (cwrw238):

to multiply first calculate 358 * 6 then 358 * 20 and add the results

OpenStudy (taepoohwae):

thx

OpenStudy (cwrw238):

yw

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