Answer:
this means that n = -3 ,-2, -1, 0 1 2 3 4 5 6 7 8 9 e.t.c.
Step-by-step explanation:
ANSWER
The value of the expression is

EXPLANATION
Method 1: Rewrite as product of

The expression given to us is,

We use the fact that

to simplify the above expression.

This implies,

We substitute to obtain,


Method 2: Use indices to solve.

This implies that,


Answer:
$79.20
Step-by-step explanation:
fixed charged of $19 x 4 months = $76.00
additional charged of $0.04 x 20 = $0.80 x 4 months = $3.20
Therefore, $76.00 + $3.20 = $79.20
There are 1000 grams in a kg, so 6300x1000=6,300,000 grams