Mathematics Homework Help

Examine the following incorrect relationships and find the mistake in the work on the right side of the FIRST equal sign.

• 8 −3= 5$\frac{x^8}{x^{-3}}=x^5$
• ( 5−2)−3= −156${\left(\frac{x^5}{-2}\right)}^{-3}=\frac{x^{-15}}{6}$
• 16−14=−4${16}^{\frac{-1}{4}}=-4$
• 9+81‾‾‾‾‾‾√=3+9=12$\sqrt{9+81}=3+9=12$

Post an explanation of why each one is incorrect and then write the expression correctly

• Where are the errors in the proposed corrections (mine or classmates’)?
• Which solution is correct? How do you know?
• Have we each given thorough explanations for ou