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How can you determine wether a sum of several numbers such as 13 45 24 17 is even or odd?
Go through each of the numbers, and count how many of them are odd. If you count an odd number of them, then their sum is odd. If you count an even number of them, then their sum is even.
Is 45 639 an odd or even number?
45,639 is an ODD number. Remember EVEN numbers end in 0,2,4,6,8 ODD numbers end in 1,3,5,7,9 Since the given number ends in '9' then it is 'odd'.
If you add 3 to an even number the sum would be odd or even?
Odd. Even + Even = Even Odd + Odd = Even Odd + Even = Even + Odd = Odd
How many multiples of 9 are odd numbers between 1 and 100?
there are several ways to do this. Start out looking at them. 9x1=9 odd 9x2=18 even 9x3=27 odd 9x4=36 even 9x5=45 odd 9x6=54 even... so it looks like half might be even and half odd, This is because if we look at the numbers 1-11, ie 1,2,3,4,5,6,7,8,9,10. and 11, they alternate odd and even and since 9 is odd and odd times an even is always an even number and an odd times an odd is always an odd number. So to answer the question we need only look at the number of odd numbers between 1 and 11 inclusive. There are 6 so 1,3,5,7,9,and 11 give odd multiples ANSWER: 6 odd multiples of 9 between 1 and 100
Does multiplying an odd number by an even number give an even answer?
odd * odd = odd answer even * even = even answer odd * even = even answer
