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Review for Quarter 1 Test 1 I. Base Ten Place-Value System II. Exponents III. Order of Operations IV. Expanded Notation
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Evaluate: [8 ÷ (1 + 3) x 5 2 - 2] ÷ 6 Answer: 8
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Answer: 230.7068 200 + 30 +.7 +.006 +.0008
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Give the base: 1) ___ 2 = 6400 2) ___ 3 = 125,000 3) ___ 4 = 160,000 4) ____ -4 = 1 81 5) ____ 3 = 8,000,000 6) ____ -2 = 1 25 Answers: 1) 80 2) 50 3) 20 4) 3 5) 200 6) 5
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Complete the statement. Use +, -, x or ÷. Use the symbol only once. Do not use parentheses. 7 ___ 7 ___ 7 ___7 = 14 Answer: 7 + 7 ÷ 7 x 7 = 14
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10 12 = Answer: 1,000,000,000,000
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35=35= Answer: 243 (Remember 3 5 means repeated multiplication.) 3 5 = 3 x 3 x 3 x 3 x 3
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What is the value of the 4 in 54,907,112? Answer: 4,000,000
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2 -5 = Answer: 1 32
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In the number 68,134,754,029, the 6 is in which place-value? Answer: ten billions
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3,000,000 + 6,000 + 500 + 30 + 8 +.1 +.004 +.0002 = Answer: 3,006,538.1042
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(2 x 10 8 ) + (7 x 10 6 ) + (1 x 10 3 ) + (5 x 10 0 ) = Answer: 207,001,005
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In 801,692,746, the zero is in which place-value? Answer: ten millions
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72,009,260 written in expanded form using powers of 10 is _______ Answer: (7x10 7 )+(2 x 10 6) +(9 x 10 3 )+(2 x 10 2 )+(6 x 10 1 )
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Compare. Use or =. 1) 3 3 ___ 2 5 2) 10,000 0 ____ 10 4 3) 2 6 ____ 4 3 Answers: 1) < 2) < 3) =
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The standard form of (7 x 10 0 )+(3 x 10 -2 )+(1 x 10 -3 )+ (5 x 10 -5 )+ (6 x 10 -6 ) is __________ Answer: 7.031056
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8 ___ = 4096 Answer: 4
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Use 4, 7, 8 to make the sentence true. ____ + ____ x ____ = 36 Answer: 8 + 4 x 7 = 36
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2 -- = 64 Answer: 2 6
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The standard form of (2 x 10 7 )+(9 x 10 4 )+(1 x 10 2 )+(6 x 10 1 ) is __________ Answer: 20,090,160
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True or False: 5 4 =4 5 Explain. Answer: False. 5 4 = 5x5x5x5=625 4 5 = 4x4x4x4x4=1024
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