Question

Evaluate:(i) 53 × 55; (ii)102 × 106; (iii) 34 × 36; (iv) 103 × 96.

Answer 1

(50+3)(50+5)

(X+a)(x+b)=x square+(a+b)x+ab

(50)square+(3+5)50+(3)(5)

2500+400+15

2915