Which product will be rational?

(1 point)
Responses

17 point Modifying Above 12 with bar times 33
Image with alt text: 17 point Modifying Above 12 with bar times 33

start root 3 end root times start root 9 end root
Image with alt text: start root 3 end root times start root 9 end root

4 times pi
Image with alt text: 4 times pi

negative start root 20 end root times 15

2 answers

The rational product is: 4 times pi
A whole number is added to a number with two digits after the decimal point. To make sure the answer is reasonable, how many digits should the sum have after the decimal point?
(1 point)
Responses

none
none

1
1

2
2

infinitely many