Do Now 12/16/09 Take out your HW from Monday & Tuesday. Text p. 202, #16-50 evens, 56 & 58 Practice worksheet 4.6 B evens Punchline worksheet #64 Copy HW in your planner. Text p. 207, #14-34 evens, #40-50 evens In your notebook, write the number one billion and one million as a number. Then multiply the two of them together. What is your answer?

Homework Text p. 202, #16–50 evens, #56 & #58 16) 18) 32) 34) 36) 38) 40) 46) 48) 50) 56) 58) 20) 22) 24) 26) 28) 30) or 42) 44)

Homework Practice worksheet 4.6 Form B evens 2) 4) 18) 20) 22) 24) 26) 6) 8) 10) 12) 14) 16) 28) 30)

Homework Punchline worksheet #64 “WHAT DID PEOPLE SAY WHEN WALTER GEARLOOSE TRIED TO DRAG HIS SHEEP ACROSS A FROZEN POND?” WALT IS PULLING THE WOOL OVER OUR ICE

Objective SWBAT use scientific notation to represent very large or very small numbers.

Section 4.7, “Scientific Notation” Scientific notation is a form to write very large or very small numbers. Did you know that the population of the world is about 5,600,000,000? Instead of writing this number with so many zeros, you can use the following form: The Powers of Ten

A number is written in scientific notation if it has the form: where c is greater than or equal to 1 but less than 10. Standard form Product form Scientific notation **HINT: How many spots has the decimal point moved?

Write the number in scientific notation. 1) 2) Write the number in standard form. 3) 4)

Multiplying with Scientific Notation To multiply two numbers that are written in scientific notation, you can use the rule for multiplying powers with like bases. Find the product of and Write the product Reorder Multiply Write in scientific notation

Evaluate the product. Standard form Find the product of and Write the product Reorder Multiply Write in scientific notation Standard form

Homework Text p. 207, #14-34 evens, #40-50 evens

Do Now 1/8/09 Copy HW in your planner. Text p. 207, #14-34 evens, #40-50 evens In your notebook, write the following expressions using only positive exponents.

Homework Brain Game Text p. 198 The ones digit for the first four powers of 3 are (in order) 3, 9, 7, 1, and these digits repeat in this same order for succeeding powers of 3; The ones digit is 1 for .