Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
It is replaced
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
P( green ,replaced, green) = 3/7 * 3/7 = 9/49
Question #1's answer is 6,000,000 + 7,000 + 2000
Question #2's answer is 30,000,000 + 2,000,000 + 5,000 + 8
Hope that helps :)
Answer: 90 cm cubed
Explanation: The formula for this is you find the area of the face and muliply it by the height of the shape. So 1/2 (4) (3) = 6 x 15 = 90.
Hope it helps