Answer:
1. 18.84 in
2. 56.52 cm
3. 4.71 ft
4. 25.12 m
5. 37.68 ft
6. 12.56 yd
7. 43.96 in
8. 28.26 cm
9. 7.85 m
Step-by-step explanation:

Answer:
here's one way: z^x = Y, 7^1 = 7
Y = 7
Step-by-step explanation:
The first working out is correct, z = 3
2(x-1)=42
2x-2=42
2x=44
X=22
Answer:
6*(6^-3)=0.027777 recurring
Step-by-step explanation:
6^0=1
6^-3=0.004629629 recuuring
0.004629629 recurring *6=0.0.02777recurring