812,000 gallons of water in an olympic training center's pool. express this number in scientific notation.

In scientific notation = 8.12\times10^5 gallons of water in an olympic training center's pool.

Step-by-step explanation:

Given: 812,000 gallons of water in an olympic training center's pool.

In scientific notation ,

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.

Therefore,In scientific notation = 8.12\times10^5 gallons of water in an olympic training center's pool.

this is answer of 144 cubic meters

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2