How do you round 2.8497 * 10^3 and 349.69 to 3 significant figures?

When I have inserted [what I thought was the correct answers] ie; 350.0 and 2.85, I was told it was incorrect.

Three times a number less than the sum of twice the number and 1

What is the length of the line segment connecting the two most distant vertices of a 1 inch cube?

Rohan is checking in poodles for a dog show. A miniature poodle must be between 10 in. and 15 in. at the shoulder. The body length must be no more than 16 in. In addition, the poodle's shoulder height must be no more than 1 in.

Lauren has a ruler that is marked in millimeters and a tape measure that is marked in centimeters. Which measuring tool will give Lauren a more precise measurement

Dimensions definition

The sum of two numbers is 17. The difference between the larger number (x) and the smaller number (y) is 7. What is the value of the smaller number?

10 kilograms = ? grams

A sporting goods store sells 6 baseballs, 9 footballs, and 10 basketballs on Saturday. The store sells 3 baseballs, 5 footballs, and 7 basketballs on Sunday. Which ratio is the smallest?

How to write 4/6 in unit fraction

Mario cut a pizza into 9 equal slices he put the slices of pizza on each of 5 plates what is the measure for the angle of the slices that are left