Question

How many even positive integers less than 500 can be written using the numbers 3,4,5,6,7

Answer 1

wilkinsdorsainvil, this is the solution:

• There are two one-digit numbers: 4, and 6

,

• There are ten two-digit numbers: 34, 36, 44, 46, 54, 56, 64, 66, 74, 76.

,

• There are twenty three-digit numbers: 334, 336, 344, 346, 354, 356, 364, 366, 374, 376, 434, 436, 444, 446, 454, 456, 464, 466, 474, 476.

Now, we can conclude there are thirty-two even positive integers less than 500.