Answer:
Hey buddy, here is your answer. Hope it helps you.
Step-by-step explanation:
1. 0.008
2. Square root of 64 is 8 and cube root of 64 is 4. The difference is 4.
3. Area=100 sq.cm. The side is 10 cm. so the perimeter is 4 x Side= 4x10=40 cm.
4. the two square roots of 25 are 5 and 5. Cuz 5 and 5 gives 25.
