Write each expression without using exponents: (a) (b) 3x0 (c) (3x)º 13 We will note the base and exponent in each case. Since each expression has an exponent that is zero, we will use the zero-exponent rule. If an expression contains a nonzero base raised to the 0 power, we can replace it with 1. (습)' The base is 13 the exponent is 0. (a) 3x° = 3(0) (b) The base is x the exponent is 0. = 3 (c) (3x)° The base is 3x. The exponent is 0. Parts (b) and (c) show that 3x° # (3x)°. Write each expression without using exponents. (a) (-0.115)° (b) -9a°b

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.