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Convert to expressions with rational exponents. \(\sqrt[7]{t}\)

Short Answer

Expert verified
t^{1/7}

Step by step solution

01

Understand the Radical Notation

The expression \(\backslash sqrt[7]{t}\) represents the 7th root of t. The index here is 7.
02

Convert Radical to Exponent

Radicals can be expressed using rational exponents. The general form is: \(\backslash sqrt[n]{x} = x^{1/n}\). For this problem, \(\backslash sqrt[7]{t}\) is equivalent to \(t^{1/7}\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

radical notation
Radical notation involves expressing roots of numbers using the radical symbol (√).
The number under the radical symbol is called the radicand. For instance, in \(\backslash sqrt[n]{x}\), 'x' is the radicand.
The small number above and to the left of the radical symbol is the index.
It shows the degree of the root.\(\backslash sqrt{7}{t}\) means the 7th root of t, where t is the radicand and 7 is the index.
exponents
Exponents are a way to express repeated multiplication of a number by itself.
For example, \( a^2 \) means multiplying 'a' by itself: \( a\cdot a \).
Rational exponents involve expressing roots as fractions.
For example, \( x^{1/2} \) is another way to write the square root of x.
The exponent 1/2 acts as the square root operator.
A rational exponent of 1/7, like in \( t^{1/7} \), means taking the 7th root of 't'.
7th root
The 7th root of a number means you need a value which, when multiplied by itself 7 times, gives the original number.
In mathematical terms, if \( a = b^{7} \), then b is called the 7th root of 'a'.
For instance, \( 2 \) is the 7th root of \( 128 \), since \( 2^{7} \) equals 128.
In the case of \( \sqrt[7]{t} \), it can be converted to \( t^{1/7} \).
This way, we use rational exponents to express roots more flexibly.

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