Question

1.9^10÷9^12
2.5^7÷5^10
3.(-4)^5÷(-4)^8​

Answer 1

Answer:

1) 0.012345679

2) 0.008

3) 0.015625

Answer 2

Answer:

1)1/81

2)1/125

3)(-1/64)

Step-by-step explanation:

1)9¹⁰/9¹²=9¹⁰-¹²=9-²=(1/81)

2)5⁷/5¹⁰=5⁷-¹⁰=5-³=(1/125)

3)(-4)⁵/(-4)⁸=(-4)⁵-⁸=(-4)-³=(-1/64)