The sum for those numbers is 19.179 NOT 18.729. HOWEVER the Estimation of the sum and the answer for this question is 19.2 because the decimal place you are finding has a number to its right that is greater to that decimal place so you add the one to the decimal place you are finding.
All you have to do is to move the decimal point 1 place to the right and then append E1 to the result:
0.770000 = <span>7.70000E1</span>
Answer:
√8 and √23
Step-by-step explanation:
AB and EF
BC and FD
AC and ED
No, because only a minority of the students answered it.