Estimate the product using general rule : 5381×3691
Step 1 : Estimating the values
5381to50003691to4000
Step 2 : Calculating the values
5000×4000=20000000
Hence , estimated product is 20000000
Estimate the product using general rule 1493×793
Estimate the product using general rule :8950×36
Estimate the following product using general rule: 5281×3491
Estimate the following product using general rule: 1291×592
Estimate the following product using general rule: 578×161.