1.

Express the following in exponential form. 1. 6 x 6 x 6 x 6 2. t x t3. 5 x 5 x 7 x 7 x 7 4. 2 x 2 x a x a

Answer»

1. 6 x 6 x 6 x 6 = 61+1+1+1 

= 64 

[Since am x an = am+n]

2. t x t = t1+1 

= t2

3. 5 x 5 x 7 x 7 x 7 = 51+1 x 71+1+1 

= 52 x 73

4. 2 x 2 x a x a = 21+1 x a1+1 

= 22 x a2 

= (2a)2



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