Write 9x9 using indices.
90
91
92
93
If m+n = 7, and m=+5. Find the value of n.
+1
+5
-2
+2
____________ x (-4)= (-20)
-5
+80
-80
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
The HCF of 8 and 12 is
2
3
4
6
Express 70 as the product of primes
10x7
2x35
14x15
2x5x7
All the factors of 9 are
1 ,9
1 ,3 , 9
9 , 9
3 , 9
H C F of 22 and 110 is
22
11
1
When multiplying a negative number by a positive number the result is
Positive
Negative
0
None of these
