Question

Write 49 as a product of primes.
Use index notation when giving your answer.

Answer 1

Answer:

49=7×7 which can also be written by 49=7^2 it is a prime no.

Answer 2

SOLUTION

TO DETERMINE

• Write 49 as a product of primes.

• Use index notation

EVALUATION

Here the given number is 49

We now prime factorise the given number

49

= 7 × 7

We now use index notation to represent the number

Number of 7's in prime factorise of 49 is 2

Hence we have

$\bf 49 = {7}^{2}$

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