300
It took Cecilia 84.312 seconds to do a math problem. Which number is the same as 84.312?
A. 8 x 100 + 4 x 10 + 3 x (1/10) + 1 x (1/100) + 2 x (1/1,000)
B. 3 x (1/10) + 1 x (1/100) + 2 x (1/1,000)
C. 8 x 10 + 4 x 1 + 3 x (1/10) + 1 x (1/100) + 2 x (1/1,000)
D. 8 x (1/10) + 4 x (1/1) + 3 x (1/10) + 1 x (1/100) + 2 x (1/1,000)
C. 8 x 10 + 4 x 1 + 3 x (1/10) + 1 x (1/100) + 2 x (1/1,000)