3. Estimate the following products using general rule:
(a) 578 × 161 (b) 5281 × 3491 (c) 1291 × 592 (d) 9250 × 29
Answers
Answered by
9
Answer:
a) 578 * 161
( 500+70+8) * (100+60+1)
50000+30000+500+7000+4200+70+800+480+8
= 93058
{ Do this in all }
(b) 5281 × 3491 = 18435971
(c) 1291 × 592 = 764272
(d) 9250 × 29 = 268250
Similar questions