1) 3 5/7 divided by 7/82)12 5/6 + 8 9/163)6(-3) (-3 is an exponent)4)14569000There are 4 questions.number 1 and 2, is solving...

1) 3 5/7 divided by 7/8.

First, change 3 5/7 into an improper fraction of 26/7 and then divided by 7/8. Remember to flip 7/8 over to become 8/7 and also to change the division sign to the multiplication sign when you do so. LIke this:

3 5/7 / 7/8 = 26/7 * 8/7

= 4 12/49

2) 12 5/6 + 8 9/16

convert both fractions into improper fractions:

77/6 + 137/16

Then, find the common denominator which is 48

616/48 + 411/48

= 1027/48

= 21 19/48

3) 6^ -3

convert negative index to positive index, which is:

1/6^3= 1/216

4) 14569000

Move the decimal to the first number. The number before the decimal place must be less than 10 and more than zero, like from 1-9, and later count the place values to get the index notation, which is at its 7th power. So, the index notation should be:

1.4569 * 10^7