What Does Evaluate Mean In Math With Exponents

Intro to exponents.

What does evaluate mean in math with exponents.

Variable expressions with exponents. This can pertain to financial mathematics or to finding the exact value of an algebraic expression or numerical calculation. By staff writer last updated apr 9 2020 5 49 42 pm et. For instance the shorthand for multiplying three copies of the number 5 is shown on the right hand side of the equals sign in 5 5 5 5 3 the exponent being 3 in this example stands for however many times the value is being multiplied.

An exponent is a number that tells how many times the base number is used as a factor. Volume of a sphere. The thing that s being multiplied being 5 in this. For example 3 4 indicates that the base number 3 is used as a factor 4 times.

This means 5 times itself three times so this is equal to 5 times 5 times 5. For example 2 1 2 1 16. Evaluate means to simplify an expression. Exponents are shorthand for repeated multiplication of the same thing by itself.

Exponents are written as a superscript number e g. When you are asked to evaluate an algebraic expression you need to plug a given value for the variable into the expression and solve. Volume of a cone. The exponent of a number says how many times to use the number in a multiplication.

A positive exponent tells us how many times to multiply a base number and a negative exponent tells us how many times to divide a base number. In 8 2 the 2 says to use 8 twice in a multiplication so 8 2 8 8 64. Exponents are also called powers or indices. It is written as a small number to the right and above the base number.

Now it s important to remember this does not mean 5 times 3. Volume of a cube. We can rewrite negative exponents like x ⁿ as 1 xⁿ. 8 2 could be called 8 to the power 2 or 8 to the second power or simply 8 squared.

Surface area of a cylinder. What does evaluate mean in math. The exponent of a number says how many times to use that number in a multiplication. These unique features make virtual nerd a viable alternative to private tutoring.

For example you might be asked to evaluate when. To determine the value of 3 4 multiply 3 3 3 3 which would give the result 81. In this non linear system users are free to take whatever path through the material best serves their needs. Evaluate integers with exponents.

Virtual nerd s patent pending tutorial system provides in context information hints and links to supporting tutorials synchronized with videos each 3 to 7 minutes long. Area of a circle. Learn how to rewrite expressions with negative exponents as fractions with positive exponents. Math algebra basics foundations exponents.

3 4 or preceded by the caret symbol e g. Surface area of a cube. Volume of a cylinder. Area of a square.