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POWERS OF 10 PROBLEMS (2) To see the answer, pass your mouse over the colored area. 8. The unit at each place. In this number 705,811,426,319 8. there are how many 8. a) ones? 9 b) ten thousands? 2 8. c) hundred millions? 8 8. d) ten billions? 0 e) hundreds? 3 9. In each of the following, what is the place value of 0? 9 a) 123,045 Hundred. b) 102,345 Ten thousand. 11 c) 123,045,678,912 Hundred million. 9. d) 120,345,678,912 One billion. 10. Expanded form. Write each of the following in expanded form. 10. a) 24 = 2 Tens + 4 Ones, or, 20 + 4. 10. b) 346 = 3 Hundreds + 4 Tens + 6 Ones, or, 300 + 40+ 6. 10. c) 5,007 = 5 Thousands + 0 Hundreds + 0 Tens + 7 Ones. 10. d) 21,053 = 2 Ten thousands + 1 Thousand + 0 Hundreds + 5 Tens + 3 Ones. 11. Units of adjacent place value. What is the relationship between 1 unit of higher value is equal to -- or may be decomposed into -- 10 units of the next lower value. 12. a) 1 ten = 10 ones. 12. b) 1 hundred = 10 tens. 12. c) 1 thousand = 10 hundreds. 13. Answer with either the next higher or the next lower power of 10. 13. a) 10 ones can be composed into 1 ten. 13. b) 10 tens can be composed into 1 hundred. 13. c) 10 hundreds can be composed into 1 thousand. 13. d) 1 ten can be decomposed into 10 ones. 13. e) 1 hundred can be decomposed into 10 tens. 13. f) 1 thousand can be decomposed into 10 hundreds. 13. g) 10 hundred-thousands can be composed into 1 million. 14. Rounding. Round 81,536 14. a) to the nearest ten. 81,540 14. b) to the nearest hundred. 81,500 14. c) to the nearest thousand. 82,000 15. a) Round 89,436 to the nearest thousand. 89,000 15. b) Round 89,536 to the nearest thousand. 90,000 Continue on to the next section. or Return to the previous section. Copyright ©2020 Lawrence Spector Questions or comments? E-mail: teacher@themathpage.com |