Question

use convenient grouping's and find the values of. (-15)*(-47)*(-19​

Answer 1

Answer:

Given : use convenient grouping to find  18 x (-27) x 30. here we can group positive numbers on one side and the negative number on the other side for our convenience. So we get

       (18 x 30) x (- 27)

          ( 540 ) x (- 27)

          - 27 x 540

       = - 14,580

After solving we get the answer as - 14,580