Answer:
11
Step-by-step explanation:
W^7/W^-2=W^7+2=W^9 ( when divide subtract the exponent (7-(-2))
W^?/W² = W^?-2
W^9=W^(?-2)
9=?-2
?=11
W^7/W^-2 = W^11/W²
The answer would be 22,44
3i √3
you can't have the square root of a negative number
so we use "i"
Answer: 41
12+14+15= 41
