Answer:
250
Step-by-step explanation:
4/16 = 1/4 = .25
When dividing exponents, subtract the bottom from the top, so
÷
= 
So, .25 *
= 250
Sorry about the bad handwriting
Fraction wise: 19/225
decimal wise: 0.084444444
Answer:
concentration = 8/84 + 8 = 0.8696
Step-by-step explanation: