Problemas
What is 1.25times 10^2+3.6times 10^1 rounded to the correct number of significant digits? 1.61times 10^2 1.605times 10^2 1.6times 10^2 1.610times 10^2
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Respuesta
To solve this problem, we need to add the two numbers and round the result to the correct number of significant digits.Given:
Step 1: Convert the numbers to standard form.
Step 2: Add the numbers.
Step 3: Round the result to the correct number of significant digits.The number with the least number of significant digits is
, which has 2 significant digits. Therefore, the result should be rounded to 2 significant digits.Rounding
to 2 significant digits gives
.Therefore, the correct answer is
.