Certified Biomedical Equipment Technician (CBET) 2025 – 400 Free Practice Questions to Pass the Exam

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What is the decimal equivalent of the binary number 101010?

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42

To determine the decimal equivalent of the binary number 101010, it's important to understand how binary numbers are structured. Each digit in a binary number represents a power of 2, starting from the rightmost digit, which is \(2^0\).

In the binary number 101010, we can break it down as follows:

- The rightmost digit is 0, which represents \(0 \times 2^0 = 0\).

- The next digit to the left is 1, representing \(1 \times 2^1 = 2\).

- The next is 0, which is \(0 \times 2^2 = 0\).

- The fourth digit is 1, so that’s \(1 \times 2^3 = 8\).

- The fifth digit is 0, which gives us \(0 \times 2^4 = 0\).

- The leftmost digit is 1, which represents \(1 \times 2^5 = 32\).

Now, if we sum these values up we get:

\[ 0 + 2 + 0 + 8 + 0 + 32 = 42. \]

Thus, the

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