Mathematics for IGCSE & O level - Using A Calculator (Section 1 - No. 6)
If a question asks for an answer in 2 significant figures, how many digits should the answer have?
Two digits, counting from the left, including any zeros.
Two digits, counting from the right, including any zeros.
Two digits, after the decimal point.
The number of digits depends on the initial number.
Explanation
The answer will contain two digits, counting from the leftmost non-zero digit.
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