Question

17) f 3n=27, then 3n-2 equals to _________.
18) If p/q = (3/2)2 ÷ (9/4)0,find the value of (p/q)3.
19) If 2n +2 - 2n+1 + 2n = C X 2n, find the value of C.
20) The speed of light in vacuum is 3 X 108m/s. Sunlight takes about 8min to reach the earth. Express the distance of sun from the earth in standard form.
at try giving one answer plss

Answer 1

Answer:

17) 25

Step-by-step explanation:

3n = 27

3n-2 = ??

3n-2 = ??substituting value ,

27- 2 =25