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.
![Do You Know How?
4. Use a single digit
times a power of
10 to estimate
the height of
Mt. Everest to
the nearest ten
thousand feet.
Mt. Everest is
29,035 feet tall.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69f98898-5fef-46c3-a48a-58b9be8aa23f%2Ffcbc1ca4-f2e1-4e7d-8ec3-b50d5a3fbf83%2F238nsjq_processed.jpeg&w=3840&q=75)
![](/static/compass_v2/shared-icons/check-mark.png)
We have the given information as
Mount Everest is 29,035 feet tall
We have to use a single digit times a power of 10 to estimate the height of Mt. Everest to the nearest ten thousand feet.
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