heivdier heivdier

08-11-2020
Mathematics

contestada

a) Work out an estimate for
20.6 x 11.4
6.9 x 3.6
b) Use your answer to part (a) to find an estimate for
206x 114
69 x 36

a Work out an estimate for206 x 11469 x 36b Use your answer to part a to find an estimate for206x 11469 x 36 class=

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jemcarter jemcarter

08-11-2020

a) 20.6 x 11.4 : 21 x 11 = 252
6.9 x 3.6 : 7 x 4 = 28
252/28 = 9
b) Each number has been multiplied by 10 so for 4 numbers 9 x 10000 = 90000

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