Question

Se a=2 (elevado a 4)×3; b=2 (elevado a 3)×3×5 e c=2 (elevado a 2)×5, então o MDC (a,b,c) e igual a:
A)16
B)12
C)4
D)20

Answer 1

$a= 2^{4} . 3 = 16 . 3 = 48 b= 2^{3} . 3. 5 = 8 . 3 . 5 = 120 c= 2^{2} . 5 = 4 . 5 =20 48,120,20 mdc = 4$