Answer:
1) 7+(-3)=
7-3=4
Step-by-step explanation:
2x10^-10
1x10^-10
8x10^-11
7x10^-11
The answer would be
-63x^2y^3
Answer:
30/441
Step-by-step explanation:
6/21 chance to draw nickel on the first one. since you dont replace coins, there is a 5/20 chance of drawing a dime on the next one.
6/21x5/20= 30/441
