Answer:
B
Step-by-step explanation
the answer comes to and 15 is the only answer below 20
-3.875
Step-by-step explanation:
104×104=10816
104²=104×104
=10816
2^2 ( 1,2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44,48
3^2(1,2,3, 5) = 9, 18, 27, 45
5^2(1, 2) = 25, 50
7^2 = 49
19 numbers
its the second one