Question

I need all questions answered~

Answer 1

Answer:

1.

$c = 400.(1.03) {}^{m} \\ when \: m = 12 \: months \\ c = 400 \times (1.03) {}^{12} \\ c = 570 \: customers$

2.

$c = 400.(1.03) {}^{m} \\ m = 12 \times y = 12y \\ c = 400.(1.03) {}^{12y}$

3.

$y = 100 \\ c = 400.(1.03) {}^{(12 \times 100)} \\ c = 1 \times {10}^{18} \: customers$