Answer:
$270
Step-by-step explanation:
Multiply 1000 by .03 or 3%. Then mulrioly that number by 9 because it is that amoint of interest for nine months.
Answer:
Attached file
Step-by-step explanation:
Answer:
10000 different numbers
Step-by-step explanation:
The numbers will have the form 1XXXX5, in this case, the order is important because 123465 is a different number to 123645. To know the total of differents decimal numbers, use the formula of permutation with repetition:

is the number of options,
, and
the number of times you have to place a digit,
.

X³ = -1000
x = ∛-1000
x = -10
In short, Your Answer would be: -10
Hope this helps!
I believe that the answer is 20. I am not entirely sure though.