Respuesta :
Round off 6,528 to the nearest ten.
Answer. 6,528approximately6,530
(The wavy equal signapproximatelymeans "is approximately equal to.")
2 is in the tens place. To round off to the nearest ten, look at the digit to the right: 8 (greater than 5). Therefore, add 1 to the tens place. Replace 8 with 0.
Example 7. Round off 6,528 to the nearest hundred.
Answer. 6,528approximately6,500
5 is in the hundreds place. To round off to the nearest hundred, look at the digit to the right: 2 (less than 5). Therefore, leave the hundreds place unchanged. Replace 28 with 00.
Example 8. Round off 6,528 to the nearest thousand.
Answer. 6,528approximately7,000
6 is in the thousands place. To round off to the nearest thousand, look at the digit to the right: 5. Therefore, add 1 to the thousands place. Replace 528 with 000.
Example 9. Round off 79,521 to the nearest thousand.
Answer. 79,521 approximately 80,000
9 is in the thousands place. To round off to the nearest thousand, look at the digit to the right: 5. Therefore, add 1 to 79 -- it becomes 80. Replace 521 with 000.
To round off decimals, see Lesson 11.