Unit 1 Review September 17 th, 2015

TEAMS-B DAY 1B THE REALS Elizabeth Lamia Urijah THE SIG FIGS Lauren Daisy Tim Kathy Stephany Martin ICess THE RATIONALSTHE NATURALS Amari Tannia Joshua

TEAMS-B DAY 2B THE REALS Moises Carlon Allize Chris THE RATIONALS Carlos Carmel Brittany Jaina Kyle Zack F Dominique Kailah Brandon Daniela Matthias Lizzette Nia Adrian THE ABSOLUTES THE SIG FIGS THE NATURALS Zach P Tiffany Madison Laurence

Homework Questions

How it works! 1 pt for getting the question right Group can choose between 1, 2, or 3 pointer shot Each team member must shoot before repeating How it works! 1 pt for getting the question right Group can choose between 1, 2, or 3 pointer shot Each team member must shoot before repeating

Given P = {1, 2, 3,4,5, 6, 7, 8} and Q = {1, 3,7,9,11} a)Find the union b) Find the intersection Given P = {1, 2, 3,4,5, 6, 7, 8} and Q = {1, 3,7,9,11} a)Find the union b) Find the intersection #1

True or False? JUSTIFY a) b) True or False? JUSTIFY a) b) #2

True or False? JUSTIFY a) b) True or False? JUSTIFY a) b) #3

You estimate a fence’s length to be 75 meters and when you measure it, the true length is 62.3 meters. Find, correct to four significant figures, the absolute percentage error. #4

Mrs. Sawyer wishes to exchange 400 Mexican Pesos for Euros at a buying rate of and a selling rate of a) How many Euros can she buy from the bank? b) If she immediately sold the Euros back to the bank for Pesos, how many will he have left? c) What is the difference? (Be able to explain why!) Mrs. Sawyer wishes to exchange 400 Mexican Pesos for Euros at a buying rate of and a selling rate of a) How many Euros can she buy from the bank? b) If she immediately sold the Euros back to the bank for Pesos, how many will he have left? c) What is the difference? (Be able to explain why!) #5

You estimate 542 Jolly Ranchers to be in a jar. When your teacher counts them, there are actually 600. Find the absolute percentage error to two decimal places. #6

Put in scientific notation 708,900,000 Put in scientific notation 708,900,000 #7

The area of Mrs. Sawyer’s room is 12.7 m by 10.3 meters. Round to 2 sig figs a) Estimate the floor area by rounding each to the nearest meter. b) What is the actual area of the floor? c) What is the error in your calculation? d) What is the absolute percentage error? The area of Mrs. Sawyer’s room is 12.7 m by 10.3 meters. Round to 2 sig figs a) Estimate the floor area by rounding each to the nearest meter. b) What is the actual area of the floor? c) What is the error in your calculation? d) What is the absolute percentage error? #8

If 1 inch is equal to 2.54 cm, find the number of centimeters equal to the height of the Eiffel tower which is 1063 feet tall. A)Round your answer to the nearest centimeter. B) Put in scientific notation If 1 inch is equal to 2.54 cm, find the number of centimeters equal to the height of the Eiffel tower which is 1063 feet tall. A)Round your answer to the nearest centimeter. B) Put in scientific notation #9

Put in decimal form x Put in decimal form x #10

Convert 4.5 tonnes (metric) into OUNCES #11

How many significant figures? How many significant figures? #12

Convert the time to SECONDS 34 hours 5 minutes 8 seconds Convert the time to SECONDS 34 hours 5 minutes 8 seconds #13

Convert 78 degrees Fahrenheit to Celsius #14

How many significant figures? How many significant figures? #15

What is the decimal number? 6.7 x 10 0 What is the decimal number? 6.7 x 10 0 #16

Convert 78,480 minutes into hours AND days #17

A bank exchanges UK pounds for a commission of 1.8%. A bank exchanges 1500 UK pounds to US dollars. The exchange rate is 1 UK pound = US dollars. How much commission does the bank receive? How much does the customer receive for the transaction? A bank exchanges UK pounds for a commission of 1.8%. A bank exchanges 1500 UK pounds to US dollars. The exchange rate is 1 UK pound = US dollars. How much commission does the bank receive? How much does the customer receive for the transaction? #18

HOMEWORK Look over the topics sheet and the TYPES of questions on the exam Do each question WITHOUT looking at the answer… Check the answers! Use your notes/quizzes to figure out what you did wrong! Study!!!! STUDY!!! STUDY!!!! Answers to the Trashketball questions are attached on a document below the PP link (these are very similar to test ?s)