10000
It is 300000.
It is front-end estimation.
It is 3000000000.
27.60 rounded to one decimal place is 27.6. The first digit to the right of the . is the tenth.
5.476 rounded to the hundredths place is 5.48. This is because the digit in the thousandths place (6) is 5 or greater, prompting us to round up the digit in the hundredths place (7) by one. Thus, 5.476 becomes 5.48 when rounded to two decimal places.
To round off 128,674 to leave one nonzero digit, you would round it to 100,000.
It is 400.
0.2.
It is 6000000.
It is 300.
It is 300000.
It is 500.
It is front-end estimation.
500
It is 3000000000.
It is 5000000.
500500