Step-by-step explanation:
we have to wrote down all the possible 3digit numbers and calculatevtheir sum
259+295+529+592+925+
952=3552
(the digits cant be repeated because they are written on cards only once)
Answer:
27cm^2
Explanation:
3 x 9 = 27
540π=(1/3)π*9*9*h
h=540π/[(1/3)π*81]
h=20