Math Problem Statement

Convert the base
7 number
5624 7 to base
10 . Do not include the subscript
10 in your answer.

Solution

To convert the base 7 number 562475624_7 to base 10, follow these steps:

Each digit is multiplied by 7 raised to the power of its position (counting from right to left, starting at 0).

56247=573+672+271+4705624_7 = 5 \cdot 7^3 + 6 \cdot 7^2 + 2 \cdot 7^1 + 4 \cdot 7^0

Now calculate each term:

573=5343=17155 \cdot 7^3 = 5 \cdot 343 = 1715 672=649=2946 \cdot 7^2 = 6 \cdot 49 = 294 271=27=142 \cdot 7^1 = 2 \cdot 7 = 14 470=41=44 \cdot 7^0 = 4 \cdot 1 = 4

Now, add these values together:

1715+294+14+4=20271715 + 294 + 14 + 4 = 2027

So, the base 10 equivalent of 562475624_7 is 20272027.

Would you like any details on this conversion?

Here are five related questions to explore:

  1. How would you convert a base 10 number to base 7?
  2. What is the base 7 equivalent of the base 10 number 2027?
  3. How do you convert base 5 numbers to base 10?
  4. What are common strategies for converting between different bases?
  5. How do powers of 7 change as you move to higher positions in a number?

Tip: When converting from any base to base 10, always multiply each digit by the base raised to the power of its positional index.

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Math Problem Analysis

Mathematical Concepts

Number Systems
Base Conversion
Exponents

Formulas

Base-n to base-10 conversion formula: digit * (base^position)

Theorems

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Suitable Grade Level

Grades 8-10