It is 900.
900
You would look to see if the 1s is greater than or equal to 5. If it is, then you would round up, if not, then round down. The rounded number is 900.* *The number cannot be rounded to a 10. It is rounded to a 100
It should be obvious to anybody that the answer depends on the unspecified units for 896.926: The nearest day if it is 896.926 hours will be different from 896.926 weeks!
The nearest 10 to 340 is 340 itself. When determining the nearest 10, you are looking for the multiple of 10 that is closest to the given number. Since 340 is already a multiple of 10, it is the nearest 10 to itself.
It is 900.
900
It is 900 and not 890
There are 10 millimetres in one centimetre. Therefore, 897 millimetres is equal to 897/10 = 89.7 centimetres.
There are 10 grams in one decagram. Therefore, 897 decagrams is equal to 897 x 10 = 8970 grams.
897/10 = 89.7 cm
10 mm = 1 cm so 897 mm = 897/10 = 89.7 cm. Simple.
900
900
84% of 897 = 84% * 897 = 0.84 * 897 = 753.48
It should be obvious to anybody that the answer depends on the unspecified units for 896.926: The nearest day if it is 896.926 hours will be different from 896.926 weeks!
89.7cm (10 mm per cm).