Answer: 
Step-by-step explanation:
88 can be rewritten as 8 x 10 and 8 can be rewritten as 
making a 2 come out of the root.
10 can be rewritten as 2 x 5.
2*2 can also be rewritten as 
making a 2 come out of the root.
We can't keep simplifying the root.
Answer:
2.815
Step-by-step explanation:
The thousandth number is the third number in the provided integer, you round down because the ten-thousandth value is 1, and you will only round up if the number is 5 or higher, otherwise, you round down.
Hope this helps!
Answer:
39
Step-by-step explanation:
4 x 1 x 3 + 3 x 1 x 2 + 7 x 3
4 x 3 + 3 x 1 x 2 + 7 x 3
12 + 3 x 1 x 2 + 7 x 3
12 + 3 x 2 + 7 x 3
12 + 6 + 7 x 3
12 + 6 + 21
39
