Question

(b) (-23) × 20 = 23 x (-20)
(a) 25 × (-21) = (-25) x 21
EXPLAIN IN STEPS
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Answer 1

Answer:

A) (-23)×20=23×(-20)

=(-460)=(-460)

by the property (-a)×b=a×(-b)

Similarly

B) 25×(-21)=(-25)×21

=(-525)=(-525)

By the same property

Answer 2

Answer:

{a} -460

{b} -525

Explanation:

{a} - 23 * 20 = 23 * -20

{b} 25 * -21 = -25 * 21