divisibility test cube and square numbers Flashcards
1
Q
what is 1 cubed
A
1
2
Q
what is 2 cubed
A
8
3
Q
what is 3 cubed
A
27
4
Q
what is 4 cubed
A
64
5
Q
what is 5 cubed
A
125
6
Q
what is 6 cubed
A
216
7
Q
what is 7 cubed
A
343
8
Q
what is 8 cubed
A
512
9
Q
what is 9 cubed
A
729
10
Q
what is 10 cubed
A
1000
11
Q
what is 13 squared
A
169
12
Q
what is 14 squared
A
196
13
Q
what is 15 squared
A
225
14
Q
what is the dt for 2
A
last digits end in a 0 2 4 6 8
15
Q
what is the dt for 3 and 9
A
sum of the digits is divisible by 3 or 9