Use this number line add (+3) and (-3)
0
1
+6
-6
_____ x (-4)= (-20)
+5
-5
+80
-80
(+5) x _____________= (-5)
+1
-1
The prime factors of 15 are
1, 3, 5
1, 3, 5, 15
3, 5
L C M of 4 and 6 is
6
12
8
24
H C F of 22 and 110 is
22
11
2
When multiplying a negative number by a negative number the result is
Positive
Negative
None of these.
Write 4 x 4 x 3 x 3 x 2 x 2 using indices.
42 × 32 × 22
42 × 22
22 × 32
43× 33 × 23
Write 9 x 9 using indices.
9o
91
92
93
When multiplying a positive number by a positive number the result is
None of these