5. 13 = 4 +9 = 2*2 + 3*3
5 = 2+3
49 = 7²
-1³ = -1
(7a²b)²(-a³bz)³ = -49a⁴⁺⁹*b²⁺³ *z³ = -49a¹³b⁵z³
6. 4mk² = 3, mk² = 3/4
3mk⁵n² = 3mk² * k³n² = 3 * 3/4 * 2 = 9/2 = 4.5
3mk⁸n⁴ = 3mk² * k⁶n⁴ = 9/4 * (k³n²)² = 9/4 * 2² = 9
5. 13 = 4 +9 = 2*2 + 3*3
5 = 2+3
49 = 7²
-1³ = -1
(7a²b)²(-a³bz)³ = -49a⁴⁺⁹*b²⁺³ *z³ = -49a¹³b⁵z³
6. 4mk² = 3, mk² = 3/4
3mk⁵n² = 3mk² * k³n² = 3 * 3/4 * 2 = 9/2 = 4.5
3mk⁸n⁴ = 3mk² * k⁶n⁴ = 9/4 * (k³n²)² = 9/4 * 2² = 9