Look at the example for the first step jaime thought how many groups of 20 in 1400 there are 70 if he continues with the devision steps when will he know that his first estimate of 70 is too high

4 + 5 7/9= 9 7/9

step-by-step explanation:

i believe the answer is letter c) 8

step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

2,160 π

step-by-step explanation: