Mathematics, 08.09.2019 03:20 kovacscsilla55owjvhn
^3√81 ^3√-64simplify each cube root expression. describe the simplified form of the expression as rational or irrational. in your final answer, include all of your work.
Answers: 1
![\large\boxed{\sqrt[3]{81}=3\sqrt[3]3-irrational}\\\boxed{\sqrt[3]{-64}=-4-rational}](/tpl/images/0225/3813/04f0b.png)
![\sqrt[3]{81}=\sqrt[3]{(27)(3)}\qquad\text{use}\ \sqrt[n]{ab}=\sqrt[n]{a}\cdot\sqrt[n]{b}\\\\=\sqrt[3]{27}\cdot\sqrt[3]3=3\sqrt[3]3\qquad/\sqrt[3]{27}=3\ \text{because}\ 3^3=27/\\\\\sqrt[3]{-64}=-4\ \text{because}\ (-4)^3=-64](/tpl/images/0225/3813/75146.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 23:40, malikapooh124
Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm
Answers: 1
Mathematics, 22.06.2019 00:10, iwannabewinston
Which of the following expressions cannot be simplified to x – 2?
Answers: 1
Mathematics, 22.06.2019 02:00, b2cutie456
Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm
Answers: 1
You know the right answer?
^3√81 ^3√-64simplify each cube root expression. describe the simplified form of the expression as ra...
Questions in other subjects:
Mathematics, 03.03.2021 22:00
English, 03.03.2021 22:00
History, 03.03.2021 22:00
Mathematics, 03.03.2021 22:00
Mathematics, 03.03.2021 22:00
