Question

Step by step please .........

Answer 1

Explanation:

`\displaystyle\\6^(12)*6^8=\\6^(12+8)=\\6^(20).\\\\8^(14)/8^(12)=\\8^(14-12)=\\8^2=64.\\\\b*b^5*b^2=\\b^1*b^5*b^2=\\b^(1+5+2)=b^8.\\\\5c^4d*4c^3d=\\5c^4d^1*4c^3d^1=\\5*4*c^(4+3)*d^(1+1)=\\20c^7d^2.`