What is it? I’m taking a math test and It for a 100 points so could y’all help me out

Answer:
A.
Step-by-step explanation:
5x100= 500
6x10= 60
7x1= 7
500+60+7= 567
Answer:
The answer is A
Step-by-step explanation:
(5*100)+(6*10)+(7*1)
500+60+7 = 567