20 to the Power of 2 = 20 2 = 400
20 to the power of 2 = 400
Welcome to our exponent calculator! We're exploring the concept of "20 to the power of 2". Let's break down what this means and how to calculate it.
What are Exponents?
An exponent is a mathematical operation where we multiply a number (called the base) by itself a certain number of times (indicated by the power or exponent). In our case, 20 is the base, and 2 is the exponent.
Calculation
To calculate 20 to the power of 2, we multiply 20 by itself 2 times. Here's the step-by-step process:
| Step | Calculation | Result |
|---|---|---|
| 1 | 20 | 20 |
| 2 | 20 × 20 | 400 |
Solution: 20 to the power of 2 is equal to 400.
How to write 20 to the power of 2 ?
Step 1: Understand the Concept
"20 to the power of 2" means we're multiplying 20 by itself 2 times. Let's break this down:
Step 2: Learn the Notation
In mathematics, we have a special way to write this more concisely. We use superscript notation:
Here, 20 is called the "base", and 2 is called the "exponent" or "power".
Step 3: Understand Alternative Notations
Sometimes, especially when typing or in programming, you might see it written as:
This means the same thing as 202.
Step 4: Calculate the Result
If we actually compute this:
Practice
Try writing these on your own:
- 19 to the power of 1
- 21 to the power of 3
- 2 to the power of 20
Interactive Power Calculator
Similar Calculations:
| Number | Power | Answer |
|---|---|---|
| 21 | 2 | 212 = 441 |
| 22 | 2 | 222 = 484 |
| 23 | 2 | 232 = 529 |
Related Mathematical Operations
Square Root
The square root is the inverse operation of squaring a number. For our example:
v529 ≈ 23.0000
This is approximate because 20^2 isn't a perfect square.
Logarithm
Logarithms are the inverse of exponential functions. The logarithm of 529 with base 20 should equal 2:
log20(529) = 2
Exponent Properties
1. Multiplying exponents with the same base: 20a * 20b = 20(a+b)
Example: 202 * 203 = 205 = 3200000
2. Dividing exponents with the same base: 20a / 20b = 20(a-b)
Example: 205 / 202 = 203 = 8000