You divide 690 by 100 which is 6.9
Therefore, one 50cent coin is 6.9g
For a cuboid's volume you simply go length x width x heigth so 2x4x5 so it's 40.
Answer:
2 3/4 C
Step-by-step explanation:

Answer:
9/100
Step-by-step explanation:
There are 10 marbles in the bag
There are 3 pink marbles.
P (1st marble pink) = pink marbles/ total marbles
= 3/10
We put the marble back.
There are 10 marbles in the bag
There are 3 pink marbles.
P (2nd marble pink) = pink marbles/ total marbles
= 3/10
Multiply the probabilities together
P (pink, then pink) = 3/10 * 3/10 = 9/100