Math  /  Algebra

QuestionSimplify the radical expression. 1000x93\sqrt[3]{1000 x^{9}}
Write your answer in the form A,B3A, \sqrt[3]{B}, or AB3A \sqrt[3]{B}, where AA an in x . Use at most one radical in your answer, and at most expression for A .

Studdy Solution

STEP 1

What is this asking? We need to simplify a cube root containing a number and a variable, and write the answer in a specific format. Watch out! Remember the properties of radicals and exponents!
Don't forget to consider both the numerical and variable parts of the expression.

STEP 2

1. Simplify the numerical part
2. Simplify the variable part
3. Combine the simplified parts

STEP 3

We're looking at the cube root of 10003\sqrt[3]{1000}.
We want to find a number that, when multiplied by itself three times, equals **1000**.
Let's think!

STEP 4

We know that 101010=100010 \cdot 10 \cdot 10 = 1000.
So, 10003=10\sqrt[3]{1000} = \textbf{10}.
Awesome!

STEP 5

Now, let's look at the cube root of x9x^9, which is written as x93\sqrt[3]{x^9}.
Remember, a cube root is the same as raising to the power of 13\frac{1}{3}.

STEP 6

So, we have (x9)13(x^9)^{\frac{1}{3}}.
Using the power of a power rule, we multiply the exponents: 913=93=39 \cdot \frac{1}{3} = \frac{9}{3} = \textbf{3}.

STEP 7

Therefore, x93=x3\sqrt[3]{x^9} = x^3.
Perfect!

STEP 8

We found that 10003=10\sqrt[3]{1000} = 10 and x93=x3\sqrt[3]{x^9} = x^3.

STEP 9

Since 1000x93\sqrt[3]{1000x^9} is the same as 10003x93\sqrt[3]{1000} \cdot \sqrt[3]{x^9}, we can multiply our simplified parts together.

STEP 10

So, our **final simplified expression** is 10x3=10x310 \cdot x^3 = 10x^3.
We've nailed it!

STEP 11

The simplified form of 1000x93\sqrt[3]{1000x^9} is 10x310x^3.
This fits the requested format where A=10A = 10 and there's no radical part (BB).

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