7.Which of the following does NOT properly use the properties of exponents? please help 1.4^3 * 4^4 * 4^2 = 4^9
2.7^3/7^8 = 7^5
3.8^0 * 5^1 * 3^0 = 5
4.(5^2)^2 * (5^1)^5 = 5^

What is not true about kl and mn? what is mn? (show your work)

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Adeposit of 5500 at 6% for 3 years equals