16: B; irrational number, real
17: C; whole, integer, rational, real
18: B; real, rational, integer
Answer:
The prime factors are: 2 x 2 x 59
or Written in exponential form: 2^2 x 59^1
Step-by-step explanation:
236 ÷ 2 = 118 - No remainder! 2 is one of the factors
118 ÷ 2 = 59 - No remainder! 2 is one of the factors
59 ÷ 59 = 1 - No remainder! 59 is one of the factors
together we have the factors 2 x 2 x 59 = 236
C.0.25
Meaning 25% 25 divide one hundred
Therefore answer is 0.25