.55*X=231 .....X=231/.55.......X= 420
Answer: 
Step-by-step explanation:
When any number has a negative exponent, all the negative exponent is doing is flipping the sides.
When we plug -3 in for x we get
.
Now just imagine the -3 in fraction form as
. And all you do now is just flip the sides to get 
And now apply the exponent 2 to the 1 and negative 3.
1 to the power of 2 is just 1
-3 to the power of 2 is 9.
So your answer is 
Answer:
either 5 or 6 months
Step-by-step explanation:
Tom M Jerry
500 1 125
475 2 175
450 3 225
425 4 275
400 5 325
375 6 375
Hey there!
There are 4 cups in one quart. So there would be 8 cups in 2 quarts. Divide 2.72 by 8. 0.34 is what you get. So the price per cup of yogurt is $0.34.
I hope this helps!