Ashleigh has to add 3,87 + 1,16 and leave her answer correct to two significant digits.Her work is shown below:3,87 is rounded off to 3,9 and 1,16 is rounded off to 1,23,9 + 1,2= 5,1Explain why her work is incorrect
Her work is incorrect because she has to round to two significant figures after she adds the numbers instead of rounding each individual one and then adding.
