Could you use doubling to multiply 7x 3? explain

2 answers

sure you could
how about double the 7, then double again, and then subtract 7

7(2)(2) - 7
= 7(4-1)
= 7(3)
21
Similar Questions
    1. answers icon 0 answers
    1. answers icon 1 answer
  1. Which process will double the power given off by a resistor?a. Doubling the current while doubling the resistance b. Doubling
    1. answers icon 0 answers
  2. Which process will double the power given off by a resistor?a. Doubling the current while doubling the resistance b. Doubling
    1. answers icon 0 answers
more similar questions