Penjelasan dengan langkah-langkah:
2. 3^-2 : 3^-4
= (3)^-2-(-4)
=(3)^-2+4
=3²
=9
3. (-5)^-2 x (-5)^-4 : (-5)^-3
=(-5)^-2+(-4)-(-3)
=(-5)^-2-4+3
=(-5)^-3
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Penjelasan dengan langkah-langkah:
2. 3^-2 : 3^-4
= (3)^-2-(-4)
=(3)^-2+4
=3²
=9
3. (-5)^-2 x (-5)^-4 : (-5)^-3
=(-5)^-2+(-4)-(-3)
=(-5)^-2-4+3
=(-5)^-3