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.

Write the number in two other form 600,000+80,000+10

Brady said that the expression 2.6x - (1.3x - 4.5) is equivalent to 1.3x - 4.5. is he correct? If not, explain his erro.

Which relationships describe the angle pair x° and 157º? Select each correct answer. adjacent angles complementary angles supplementary angles vertical angles

5. Your brother has $2,000 saved for a vacation. His airplane ticket is $637. Write and solve an inequality to find out how much he can spend for everything else.

Last year, Nick rode his bicycle a total of 8000 miles. To the nearest yard, Nick rode an average of how many yards per day? mile - 1760 yards year - 365 days (1) 22 (3) 1659 (2) 236 (4) 38,575

What is 0.68% of 425? How do you solve it?

A gardener is making a triangular planting with one tree in the first row four trees in the second row seven trees in the third row and so on for eight rows what is the sequence that describes the number of trees in each row and find the total

Joey paints old furniture and sells the pieces at craft fairs. The function f (t) approximates how many pieces of furniture he paints per hour. The function w (h) represents how many hours per week Joey spends painting the pieces of furniture.

A state park charges a $6 entry fee plus $7.50 per night of camping write an algebraic expression for the cost in dollars of entering the park and camping for n nights

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100 (1-0.2) w finds the amount of radioactive substance remaining after w weeks.