Question

Could anyone help me these questions for my review

Answer 1

Answer:

1.

a) 216

b) 1

c) 4/9 or 0,4444...

d) 1/9 or 0,11111...

e) -32

f) 16

16

2.

a) 8^9 / 8^7 = 8^ (9-7) = 8^2

b) 5^-6 x 5^9 = 5^ (9-6) = 5^3

c) (7^3)^6 = 7^ (3x6) = 7^18

d) (2^3)^5 x 2^3 /2^17 = 2^1

e) 4^1

3. screeenshot

4. 1,012

5. 4,5%

6. 1 200 000 x 1,0023^n

7. 0,975

8. 1 - 0,825 = 0,175 = 17,5%

9.  2 300 000 x 0,973^n

10. 2006-1991=15, thus n=15

Input numbers: 10,1 x 1,016^15 = 12.815 millions