-5+2= -3
So the value of (-5) +10-8+63 is 60
Answer:
The equation to this question is "
"
Step-by-step explanation:
Given value:

So, the curve
is basically a circle, which is defined in the attachment file.
The regular period is 2pi. If you look up or type in a graphing calculator you can see that's when the sine function starts to repeat itself.
You estimate the product by rounding to the nearest 10:
9 becomes 10 and 54 becomes 50
9 x 50 = 450