Răspuns:
a) ( 3 • 3² • 3⁵ )⁸ : 3³2 =
= (3⁸)⁸ : 3³ •2 =
= 3⁶⁴ : 3³ • 2 =
= 3⁶¹ • 2.
b) 2⁴⁷ + 2⁴⁷ =
= 2 • 2⁴⁷=
= 2⁴⁸.
3⁶¹ • 2 > 2⁴⁸