Which of the following explains the mistake Jill made? A Jill used 3 groups of 3 tenths and 2 hundredths rather than 4 groups.
B Jill used groups of 3 tenths and 2 hundredths rather than groups of 4 tenths.
C. Jill used 3 groups of 3 tenths and 2 hundredths rather than 2 groups.
D. Jill used groups of 3 tenths and 2 hundredths rather than groups of 3 tenths and 8 hundredths.

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

What is 140 squared pleas me i am dumb