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How many elements are in array matrix (int[][] matrix = new int[5][5])?Group of answer choices14202530

Question

How many elements are in array matrix

int[][] matrix = new int[5][5];

Group of answer choices

  • 14
  • 20
  • 25
  • 30
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Solution

Break Down the Problem

  1. Identify the structure of the matrix.
  2. Determine the dimensions of the matrix.

Relevant Concepts

  • A matrix is essentially a two-dimensional array.
  • The total number of elements in a matrix is calculated by multiplying its rows by its columns.

Analysis and Detail

  1. The given matrix is defined as int[][] matrix = new int[5][5].
  2. It has:
    • 5 rows
    • 5 columns
  3. To find the number of elements, calculate: Number of Elements=Number of Rows×Number of Columns \text{Number of Elements} = \text{Number of Rows} \times \text{Number of Columns} Number of Elements=5×5=25 \text{Number of Elements} = 5 \times 5 = 25

Verify and Summarize

  • The calculation indicates that the matrix contains 25 elements in total.

Final Answer

There are 25 elements in the array matrix.

This problem has been solved

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