[9" ) "3times5times7times11+35," is "],[" number."]

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.

Simplify: 7times(11+9)

The number 17 times 11 times 2 +17 times 11 times 5 is……………

[(-7)times(-9)] times(3)=(-7)times [(-9)times(3)]

Simplify -(2)/(3)times5(1)/(2)times2times7(5)/(6)times(9)/(11)

(-8)times9+(-8)times7],[" (iii) "20times(-16)+20times14 , (-11)times(-15)+(-11)times(-25)

Evaluate the following : (i) 2/5 times 3/7" (ii) " 3/5 times 8/9" (iii) " 7 times 1""2/3 .

Evaluate : 7/9 times 4/5 times 3/2