Significant Figures scietntific notation , Temp., percent

Front

What are significant figures?

Back

Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

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How do you calculate percent error?

Back

Percent error is calculated using the formula: Percent Error = |(Estimated Value - Actual Value)| / Actual Value × 100%.

Front

Convert 50 kilograms to grams.

Back

50 kilograms = 50000 grams.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers as a product of a coefficient and a power of ten, typically in the form a × 10^n, where 1 ≤ a < 10 and n is an integer.

Front

How many significant figures are in the number 0.00456?

Back

There are 3 significant figures in 0.00456.

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Back

The standard form is 0.000254.

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How do you round 1.234 meters to the nearest centimeter?

Back

1.234 meters rounded to the nearest centimeter is 124 cm.

Front

What is the difference between precision and accuracy?

Back

Precision refers to how close measurements are to each other, while accuracy refers to how close a measurement is to the true value.

Front

How do you identify significant figures in a measurement?

Back

To identify significant figures, count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is the significance of trailing zeros in a decimal number?

Back

Trailing zeros in a decimal number are significant because they indicate the precision of the measurement.