The value of 3 in 4,385 is 1/10 times the value of 3 in 3,999.
because, value of 3 in 4,385 is 300 and value of 3 in 3,999 is 3000
Answer:
About 700 billion bacteria
Step-by-step explanation:
Given


Required
Number of bacteria in 1 oz

Multiply both sides by 28


Recall that

This means:

The answer is 12
All possible units are 13, 15, 19, 31, 35, 39, 51, 53, 59, 91, 93, 95