Answer:
20,442,240 account numbers are possible.
Step-by-step explanation:
The first character has 10 possible values.
The next 2 has 26 * 26 = 676 possible combinations.
The last 4 has 9*8*7*6 = 3024 possible combinations.
So the answer is 10 * 676 * 3024
= 20,442,240.
30.6
735
——
3.14
find the square root, then multiply it by 2
All you do is multiply 60 * 40 = 2400 ft squared. you find area of a square by multiplying base * length. SO the answer is "D"