Răspuns:
[tex] {3}^{19} \times {3}^{21} = {3}^{40} \\ {2}^{34} \times {2}^{43} \times {2}^{10} \times {2} = {2}^{88} \\ {5}^{23} \times {5}^{10} \times {5}^{8} = {5}^{41} [/tex]
3(la puterea x)× 3² = 3 la puterea x+2
7(la puterea x) x 7 (la puterea x) = 7 la puterea 2x
7⁴³:7²⁰ = 7 la puterea 23
29³⁷:29 = 29 la puterea 36
5¹³:5⁰ = 5 la puterea 13
2³⁷:2¹⁵:2 = 2 la puterea 21
7ⁿ+¹:7 = 7 la puterea n
3²ⁿ:3ⁿ = 3 la puterea n
5³ⁿ:5ⁿ = 5 la puterea 2n
2ⁿ+¹:2ⁿ = 2
3ⁿ:3ⁿ = 3 la puterea 0 ( adica este egal cu 1)