Answer:19
Step-by-step explanation: 380 divide by 20 is 19
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Given number is 4,8100,000,000,000.
In this number of zero is 11. So we can write it as

But for scientific notation we will enter decimal after two place in reverse direction.For this we will also multiply number by 10^2.
So number will be

So fourth option is correct.
It will take 13.33 days to fill it to 6,000 gallons.
Answer:

Step-by-step explanation:
To solve the following equations, we need to isolate the variable asked using inverse operations to solve equations.
Remember that addition and subtraction are inverse operations, as multiplication and division.
Therefore,

Answer:
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Step-by-step explanation:
A=a+b
2h=15+25
2·5=100