First do 6 times 3=18 then divide by 8 to get 2.25
29. B 500min
30. C 3ft
31. im not sure but i think its A 16
Answer:

Step-by-step explanation:
In this case, the example is missing the negative sign.
This is an example of scientific notation, which is used to reduce a very large number into a short expression like: 0.000000005, which is reduced in the expression
.
It's important to say that the negative sing in the exponent, indicates that all zeros that are being reduce, are placed at the right of the number. Also, to apply a correctly scientific notation, the number reduced should be between 0 and 10.
Wheres the graph top be able to help?
The numbers aren't accurate, they dont add up