49=-7k is equivalent to D because when you simplify both of them, you get -7=k
Answer:
C: 8
Step-by-step explanation:
8^3=512
if it was -8^3 it would equal -512
Answer:
The answer is B
Step-by-step explanation:
In the decimal (base ten) system, the value of the digits is based on the number ten. Each position in a decimal number has a value that is a power of 10.