(y^-1/2)^4
rewrite the expression in the form of y^n
i need

1/(Y^2) or if you want in y^n is y^2

apply exponents law (a^b) ^c  = a^b c

take off the parenthesis

1/2 · 4

1 · 4/(2)

4/2

divide it

4/2= 2, nevertheless it become -2

y^-2

1/(y^2)

b. hannah is playing with her cousin at

answer: h=5.6 i don't really know how to put into words, so i though i would let you do that. i hope i was able to some

step-by-step explanation:

18 = 6(h)+1/2

18 = 6h+1/2

18-1 = 6h/2

17 = 3h

17/3 = h

h = 5.6