Answer:
9
gallons of water
Step-by-step explanation:
To find how many gallons of water go down each minute, divide the total number of gallons of water by the number of minutes it takes to drain:
70/7.5
= 9
So, 9
gallons of water go down the drain each minute
Answer:
68%
Step-by-step explanation:
51/75 × 100% = 68%
Answer:
4/999
Step-by-step explanation:
Answer: 
Step-by-step explanation:
We know that Scientific notation is a way to write a very large or a very small number in the product of a decimal form of number [generally between 1 and 10] and powers of ten.
Given number : 0.00023
In scientific notation 
Therefore, In scientific notation 