Question

Giúp mị với!!! Mai mị nộp bài rồi!!!!!

a. (3 mũ 6 . 5 mũ 7 . 7 mũ 11) : (3 mũ 4 . 5 mũ 7 . 7 mũ 10)

b. (2 mũ 43 + 2 mũ 4) : (2 mũ 39 + 1)

c. 2 mũ 15 : 2 mũ 13 + 3 mũ 2 ✖ 2 mũ 3 - 5 mũ 2 - 2 mũ 0

Help me pleaseee!!!!

Answer 1

a,\(\dfrac{3^6.5^7.7^{11}}{3^4.5^7.7^{10}}=\dfrac{3^4.3^2.5^7.7^{10}.7}{3^4.5^7.7^{10}}\) \(=9.7=63\)

b,\(\dfrac{2^{43}+2^4}{2^{39}+1}=\dfrac{2^{39}.2^4+2^4}{2^{39}+1}\) \(=\dfrac{2^4\left(2^{39}+1\right)}{2^{39}+1}=16\)