A student measures the length and width of a rectangular plate as 12.72 cm and 5.41 cm, respectively, each with an uncertainty of ±0.01 cm. What is the uncertainty in the calculated area of the plate?

The respective number of significant figures for the numbers 23.023, 0.0003 and $2.1 imes {10^{ - 3}}$ are

The length, breadth and thickness of a block are given by $l = 12cm,\;b = 6\;cm\;$ and $\;t = 2.45cm$ The volume of block according to the idea of significant figures should be

Taking significant figures into account, calculate the sum of $19.98$ and $0.0199$.

Taking into account significant figures, what is the value of $9.99 + 0.0099$?

What is the sum of 12.45 g and 3.1 g, rounded to the correct number of significant figures?

A student measures two lengths as $2.99$ m and $0.0099$ m. What is the sum of these lengths, taking into account significant figures?

The mass of a sample is measured as 23.647 g. If the instrument used has a precision of 0.01 g, what is the correctly rounded mass?

If $x = 4.99$ and $y = 0.0099$, what is $x + y$ to the correct number of significant figures?

A student has measured the length of a wire equal to 0.04580 m. This value of length has the number of significant figures equal to

What is 15.48 rounded to one decimal place?