Working with Exponents

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Presentation transcript:

Working with Exponents

Working with Exponents Write in exponent form and word form. 10 X 10 X 10 _______________________________ ________________________________

Working with Exponents 10 X 10 X 10 x 10 X 10 ________________________________ _____________________________________

Working with Exponents Find the value 10 to the 4th _______________= _________ 2 X 10 to 3rd _______________ = ________ 6 X 10 to 4th _______________ = ________

Working With Exponents Complete the pattern 7 X 10 to zero ______ = 7 X 1 = _______ 7 X 10 to first ______ = 7 X 10 = ______ 7 X 10 to sec ______ = 7 X 100 = ______ 7 X 10 to third ______ =7 X 1000 = ______ 7 X 10 to fourth ______ = 7 X 10000 = _____

Working with Exponents Complete the Pattern 9 X 10 to zero ________ = _________= 9 9 X

Working with Exponents Complete the pattern 12 X 10 to zero ________ = 12 X 1 = ________ 12 X

Working with Exponents 10 to the third _________ = 10 X 10 to what power? ____ ________________ Think: 10 to third = 10 X ____X ____ OR 10 x __________ THE VALUE OF n is __________

Working with Exponents Explain how to write 50,000 using exponents.

Working with Exponents Lake Superior is the Largest of the Great Lakes. It covers a surface area of about 30,000 square miles. How can you show the estimated area of Lake Superior as a whole number multiplied by a power of ten? 3 X 10 to second __________sq. mi 3 X 10 to third __________sq. mi 3 X 10 to fourth ___________sq. mi 3 XSS 10 fifth ___________sq. mi

Working with Exponents In the problem above, what are you asked to find? How can you use a pattern to find the answer?

Working with Exponents Write a pattern using the whole number 3 and powers of ten. 3 X 10 to zero ________ = 3 X 1 = ______ 3 X

Working With Exponents Use an index card to complete the following slides. Remember to put your name on the card!!!!

Working with Exponents The earth’s diameter through the equator is about 8,000 miles. What is the Earth’s estimated diameter written as a whole number multiplied by a power of ten? 8 X 10 to first ___________ 8 X 10 to sec ___________ 8 X 10 to third ___________ 8 X 10 to fourth ___________

Working With Exponents The Earth’s circumference around the equator is about 25 X 10 to the third _____________miles . What is the Earth’s estimated circumference written as a whole number? 250,000 miles 25,000 miles 2,500 miles 250 miles

Working with Exponents See text book page 294