Question

(-21)*(-30) also name the property

Answer 1

Answer:

(-21) *(-30) = 630 is the answer

And the property is multiplicative property

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Answer 2

Answer:

+630

Step-by-step explanation:

- * - = + then -21 * (-30) in they both there are minus sign now do 21 multiplied by 30 which is 630 and with sign it is +630

and it is commutative property because -21 and -30 is +630 then -30 and -21 is also +630