Question

find the product using suitable property 21+(-21)×(-999)​

Answer 1

Answer:

Step-by-step explanation:

ACCORDING TO BODMAS RULE

MULTIPLICATION IS DONE FIRST SUCCEDED  BY ADDITION

= 21+(-21*-999)

= 21+20,979

= +21,000.

HOPE THIS HELPS.

Answer 2

Answer:

use distributive property and multiplication of two negative numbers

Step-by-step explanation:

21 + (- 21) * (- 999) = 21 + 21 * 999 = 21(1 + 999) = 21,000