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