Round 1995298 to the nearest ten thousand

1,995,298 to the nearest ten thousand =2,000,000

1,995,298 to the nearest ten thousandth is: 2,000,000.
2,000,000 is also the same for rounding to the nearest million.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.