It is 2.91 when rounded to two decimal places
To 4 DP, 62.1935 To 3 DP, 62.194 To 2 DP, 62.19 To 1 DP, 62.2
0.39
The correct answer is 48.17
2900
To the nearest 2, 4.535 rounds to 4. To the nearest 2 DP, 4.535 rounds to 4.54
To 4 DP, 62.1935 To 3 DP, 62.194 To 2 DP, 62.19 To 1 DP, 62.2
0.39
The correct answer is 48.17
2900
0.4 is already rounded to just one dp. It cannot really be rounded to 2 dp. Expressing it as 0.40 is misrepresentation.
0.17
29.635 can be rounded down to 29.63 or rounded up to 29.64
It is already rounded to 2 dp.
7.874 DP (rounded)
It is rounded to 15.3913
1.555... or 1.56 rounded (to 2 dp).
Do absolutely nothing. 0.67 IS already rounded to 2 dp.