A decimal is "." this symbol is used to separate whole numbers from a number value that is less than 1. Decimals basically puts things in its correct "place" according to the place value chart. | Example : $ 1.70 ; Without the decimal point this would be 170$ and in reality it is only one dollar and seventy cents. |
It looks like a “^” because of the negative while it starts at y = -2
The other 6 books can be arranged in 6 ways
= 6*5*4*3*2*1 = 720 ways answer
What your question i can help you
A) 2007
b) 120
c) the donations are decreasing as years increase
