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Name _________________________________________ Number Sense Quiz Review - ANSWERS Please check your work (circle errors – don’t “fix” them!) and be ready to discuss the concepts you are still having trouble with tomorrow. Write the following numeral in expanded form. 1. 87,264,038,012 80,000,000,000 + 7,000,000,000 + 200,000,000 + 60,000,000 + 4,000,000 + 30,000 + 8,000 + 10 + 2 Write the following numeral in expanded notation. 2. 52,008,364 (5 • 10,000,000) + (2 • 1,000,000) + (8 • 1,000) + (3 • 100) + (6 • 10) + (4 • 1) Write the following numerals in standard form. 1. (9 • 1,000,000) + (4 • 100,000) + (8 • 1,000) + (2 • 100) + (1 • 10) + (7 • 1) 9,408,217 2. (7 • 1,000) + (2 • 1,000,000) + (4 • 10,000) + (9 • 10) + (3 • 100,000,000) 302,047,090 3. (6 • 100,000,000) + (4 • 10,000,000) + (8 • 100,000) + (2 • 1,000) + (9 • 100) + (3 • 1) 640,802,903 Write the following numbers in STANDARD FORM. 1. Fourteen billion thirty-seven million eight hundred twenty-four 14,037,000,824 2. 5,000,000 + 60,000 + 7,000 + 80 + 4 5,067,084 3. 3 billion 402 million 17 3,402,000,017 4. (6•1,000,000,000) + (8•1,000,000) + (7 •100,000) + (3•1,000) + (8•10) + (2•1) 6,008,703,082 Write the following numerals in WORD FORM. 1. 6,000,561,027 six billion five hundred sixty-one thousand twenty-seven 2. 806,530,004 eight hundred six million five hundred thirty thousand four Write the following numerals in SHORT WORD FORM. 1. 3,904,026 3 million 904 thousand 26 2. 4,007,634,207 4 billion 7 million 634 thousand 207 In the following number, identify value, place value, or period: 4,598,763,201 What is the place value of the 9? ten-millions place What it the value of the 5? 500,000,000 What period is the 2 in? ones How many 100,000’s are in 1,000,000? 10 How many 1,000’s are in 10,000,000,000? 10,000,000 How many 10,000’s are in 10,000,000? 1,000 Simplify (compute) the following exponents: 6³= 6 • 6 • 6 = 216 4²= 4 • 4 = 16 8º= 1 (anything to the zero power is 1) 12¹= 12 (anything to the first power is the base) 10³= 1,000 (remember that when your base is 10, the exponent matches the number of zeros!)