b)
[tex]3 {}^{7} \times 5 {} {}^{7} = 15 {}^{14} [/tex]
d)
[tex]4 {}^{2} \times 5 {}^{2} = 20 {}^{4} [/tex]
f)
[tex]2 {}^{15} \times 7 {}^{15} = 14 {}^{30} [/tex]
g)
[tex]3 \times ( {5}^{3} \times {7}^{3} ) {}^{2} = (3 \times 35 {}^{6} ) {}^{2} = 3 \times 35 {}^{12} [/tex]
h)
[tex](2 {}^{50} \times {4}^{50} \times 8 {}^{50} )[/tex]
sau
[tex](2 \times 4 \times 8) {}^{50} = (8 \times 8) {}^{50} = 64 {}^{50} [/tex]
Sper ca te-am ajutat!Succes!
