[" Explain why "7times11times13+13" and "7times6times5times4times3times2times1+],[" numbers."]

Explain why (7 times 11 times 13)+13 " and " (7 times 6 times 5 times 4 times 3 times 2 times 1)+5 are composite numbers.

Explain Why 7times11times13times+13 and 7times6times5times4times3times2times1times+5 are composite number.

Evaluate : 13 times 13 times 13 times a times a times a times a times a times b times b times b times b

Evaluate 13 times 13 times 13times a times a times a times a times a times b times b times b times b

Express the following in exponential form: (i) "6 times 6times6 times 6 (ii) t times t (iii) b times b times b times b times b times b (iv) 5 times 5times7 times 7times7 (v) "2 times 2times a times a (vi) a times a times a times c times c times c times c times d times 1

Evaluate: (-3) times (-4) times (-5) times (-6) times 7

(6^(3)times7^(4)times8^(5))/(4^(3)times9^(2)times16)

Evaluate: (-3) times (-4) times (-6) times 7 times (-2)

Explain why 7 xx 11 xx 13 + 13 and 7 xx 6 xx 5 xx4xx3 xx 2 xx 1 + 5 are composite numbers.