7x7x7x7 written in exponential form would be 7^4 or 7 to the fourth power.
hope this helps .
Answer:
x = 49
The equation does have a solution
Step-by-step explanation:
The sqrt of x = 7, does have a solution. Simply remove the radical, and raise each side by the index of the radical.
In more basic terms, what number has the sqrt of 7? 7^2 is equal to 49!
Answer:
I think it is D.
Step-by-step explanation:
Answer: -1/2
Step-by-step explanation: