Answer:
(-7)10+12, [Exponents are added]. = (-7)²². 3. (12)4 ... 4. 3² × 3⁵ = 32+5 = 3⁷. 5. (-2)⁷ × (-2)³ = (-2)7+3 = (-2)10. 6. (49)³ × (49)². = (49)3+2 = (49)⁵ ... 6. (3)5(3)2. = 35−2 = 3³ 7. (−5)9(−5)6. = (-5)9−6 = (-5)³ 8. (72)⁸ ÷ (72)⁵. = (72)8−5 = (72)³.
Step-by-step explanation: