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
