New Errors Flashcards
1
Q
What is the remainder when dividing an integer by 10?
A
The units digit
2
Q
How can you determine the mean really quickly in a collection of sets?
A
Use symmetry (distance of terms from eachother) to arrive at mean more quickly
3
Q
What are the characteristics of a remainder?
A
The remainder is a non negative integer that is always less than the divisor
4
Q
How do you find the divisor (y) when given the remainder and the decimal version of the dividend over the divisor (x/y)?
A
Decimal portion * the divisor (y) = the remainder
5
Q
Even divided by even can only give what type of remainders?
A
Even
6
Q
Is x an integer if x^2 is an integer?
A
We don’t know… x can be 2 or root2 (both these values squared are an integer)
