I'd do 9x4=36 because the 9 is from your money and the 4 is from your books. Now since you want to find out how much 4 books cost you just multiply that by 9
what is the question really
Answer:
56
Step-by-step explanation:
If there can be only one 1 and only one 2, the remaining digits must all be 0. The digits 1 and 2 can be anywhere in the 8 digits, and can be in either order.
There are 8 possible locations in the sequence for the 1, then 7 possible locations for the 2. The total number of possibilities is 8·7 = 56.
12000000, 21000000, 10200000, 20100000, ..., 00000012, 00000021.
<span>1. The area of a circle A found by using the formula pi(r^2) is an irrational number.
2. The number N of equal slices in a pizza; the portion P of the pizza in one slice is a rational number.
3. The air temperature T in Saint Paul,MN, measured to the nearest degree fahrenheit is an integer.</span>
