Answer:
The answer to your questions is letter D
Step-by-step explanation:
We need to look for a number that has an 8 in the ten thousands that means a number after in the fifth position after the decimal point
A. 8,021 this number only has 4 numbers and we need five, then is incorrect.
C. 8,214,617 this number has a number 1 in the fifth position then is incorrect
B. 16,816 this number has a number 1 in the fifth position then is incorrect
D. 781,200 this number has an 8 in the fifth position then is the one we are looking for
The formulas:

Expand the expression:

Plug the values into the expression:
Step-by-step explanation:
it's so much work, here's the first half untill i do the rest
i added the rest, i hope i helped somehow good luck!! :)
that is not a function, because there are two outputs for three. two inputs can have one output, but one input cant have two outputs.
Answer:
1 is 1/2 5 is 2 1/2 and 7 would be 3 1/2
Step-by-step explanation: