Question

2 and 3 number fast very very urgent plz help me..
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Answer 1

Answer:

— Please help me fast its very urgent​ ... only the digits 7,0,3, and 4, form the greatest eight-digit number. ... 2+2/3$= 2.166666666667$​.

Explanation:

Answer 2

Explanation:

the residue left with the hydrated substances lose it water of crystallization