When you multiply the same number with different exponents together, you add the exponents together.
3^2 + 3^x = 3^7
Adding the two together you have 3^(2 + x = 7)
Solve for x: 2 + x = 7
Subtract 2 from both sides:
x = 5
A 6 ounce hamburger contains 0.75 ounces of fat
Answer:
40
Step-by-step explanation:
25%= 
10×4=40