Question

date: october thursday find the prod 91 x 548=

Explanation:

Step1: Break 91 into 90 + 1

$91\times5448=(90 + 1)\times5448$

Step2: Use distributive - property

$(90 + 1)\times5448=90\times5448+1\times5448$

Step3: Calculate $90\times5448$

$90\times5448 = 9\times5448\times10=(9\times5000+9\times400+9\times40+9\times8)\times10=(45000+3600+360+72)\times10=(48600+360+72)\times10=(48960+72)\times10 = 490320$

Step4: Calculate $1\times5448$

$1\times5448 = 5448$

Step5: Add the two results

$490320+5448=495768$

Answer:

$495768$