Question

Evalute by using suitable identity: a)289x209 b)15x998 c)-7x(-107) d)35x103 e)6x9 f)11x20 g)105x98

Answer 1

Step-by-step explanation:

a.

$289 \times 209$

$60401$

b.

$15 \times 998$

$14970$

c.

$- 7 \times ( - 107)$

$7 \times 107$

$749$

d.

$35 \times 103$

$3605$

e.

$6 \times 9$

$54$

f.

$11 \times 20$

$220$

g.

$105 \times 98$

$10290$

Marked me as brainly