Răspuns:
i) 2⁷×2⁹=2¹⁶ ii) 3¹⁷×3⁸=3²⁵ iii)5¹⁸×5×3=15¹⁹ IV)2⁰×2×2²×2³×2⁴×2⁵=2¹⁵
i)2¹¹:2⁸=2³ ii)4²³:4¹⁸=4⁵ iii)5¹⁷:5⁹:5=5⁷