#6 is incorrect
it's 6 7/8
#7 is correct
Answer:
An expression that represents repeated multiplication of the same factor is called a power.
Step-by-step explanation:
The number 5 is called the base, and the number 2 is called the exponent. The exponent corresponds to the number of times the base is used as a factor.
The square root of four is two
Answer: 9
Step-by-step explanation:
3-2x-3
2x-3=-6
3--6=3+6=9