Question

Plz help me in
1) each side of a regular polygon is 4.6 CM in length. The perimeter of the polygon is 23 CM. Find the number of sides of the polygon.
2)how much less is 200.5km than 306.7 km
3) simplyfy using law of exponent
343×3³×64/6²×2×2×2×2×7 (also mention the laws used)

Answer 1

Answer:

1:-5

2:-106.2

3:-644656