Answer:
D
Step-by-step explanation:
Is there like a question???
Sum means to Add.
So the sum of d and 9 would be d + 9
Answer: 85
Step-by-step explanation:
negative exponent means how many times to divide by the number. Example: 8-1 = 1 ÷ 8 = 1/8 = 0.125. Or many divides: Example: 5-3 = 1 ÷ 5 ÷ 5 ÷ 5 = 0.008.
hope it helps
