All the factors of 45 are
1, 3, 5, 9, 15, 45
3, 5, 9, 15, 45
1, 3, 5, 9, 15
3, 5, 9, 15
Use this number line add (-1) and (+7)
-8
-6
+8
+6
Write 9 x 9 using indices.
9o
91
92
93
If m+n = 7, and m=+5. Find the value of n.
+1
+5
-2
+2
H C F of 22 and 110 is
22
11
1
2
Express 70 as the product of primes.
10 x 7
2 x 35
14 x 15
2 x 5 x 7
Write 4 x 4 x 3 x 3 x 2 x 2 using indices.
42 × 32 × 22
42 × 22
22 × 32
43× 33 × 23
(+5) x _____________= (-5)
0
-1
When multiplying a negative number by a negative number the result is
Positive
Negative
None of these.
The HCF of 8 and 12 is
3
4
6
