Answers and Explanations

PRACTICE TEST 2

1 . E

If   ,  then    x   +   y   =   7(0.01) =   0.07.   Therefore,

2 . D

Put the whole   thing   in  terms   of  a   power   of  10. (100)^12    =   (10^2 )^12  =   10^24 . Therefore,

3 . B

Cross   multiply:

Now use your    calculator  to  find    the cube    root    of  24: