you need to make the denominators that same and then you simply simplify the problem
9 4/12 = 9 1/3
Okay. So basically, the numbers are in scientific notation. They are in powers of 10 and there are charts on powers of ten online. What we have to do is convert it into it’s long form, and then do what we need to do. Here are the answers in case you’re not sure.
15. 77,700,000
16. 955,300
17. 371,200,000
18. 19,430,000,000
19. 6.5
20. 820
<span>You paint 1313 of a wall in 1414 hour.
Now we need to find the rate in order you to paint one wall.
1313 : 1414 = 1 : X
1414 = 1313 X
X = 1.08
So the rate per one wall is 1.08 hours.</span>
Use PEMDAS:
Parentheses
Exponents
Multiply and Divide from left to right.
Add and Subtract from left to right.
-------------------------------------------------------
Evaluate the exponents.
2^2+4^2/2^2
Divide from left to right.
4 + 16/4
Add from left to right.
4 + 4
Solution.
8
