What is 1,856 rounded to the nearest 10?
What is 1,856 rounded to the nearest 100?
What is 3.141592653 rounded to 3 decimal places?
3.141
3.142
4.252
What is 3.141592653 rounded to 1 decimal place?
3.1
3.0
3.2
What is 467 rounded to one significant figure?
400
500
470
What is 0.53 rounded to one significant figure?
1
1.5
0.5
Estimate the value of 47 × 84?
4,000
3,948
3,900
Work out an estimate for (9 × 11) ÷ (2.57 + 2.09)?
21.24
21
20
The number 647 has been rounded to the nearest whole number. Select645 and 655646.5 and 647.5646 and 648 are the upper and lower bounds.
a = 30 (1 sf), b = 5 (nearest whole number). What is the upper bound of ab?
192.5
150
162.25