Question

ALEX IS CALCULATING TOTAL OF 912 AND 888 ALEX SAYS I JUST DOUBLE 900 IS ALEX CORRECT JUSTIFY?

Answer 1

Answer:

yes he is

because

912+888

(900+12) + (900-12)

900+900 (+12-12 = 0)

hence proved

Answer 2

Answer:

Yes he just doubled 900

Step-by-step explanation:Plz mark me brainliest then you can even see my post