Two digit multiplication hack#shorts#matheducation

Multiplication by short cut methods

Discussion OF ex-3.4,|| Cross-multiplication method || Short method to remembering cross-multiplication method by Determinant || Example-14,15

Find the two digit two numbers such that their multiplication is 2028 and their HCF is 13

A number of 8 digits is a multiple of 73 and also a multiple of 137. The second digit from the left equals 7. Then the 6 th digit from the left equals A) 1 B ) 7 C) 9 ) Can be any digit

Rounding OF Significant Digits||Addition and Subtraction in Significant Digit||Multiplication and Division Significant Digits Discussion HW - 7 to 8