A counter example is a disproving of an answer. The counterexample to this is basically your saying if you have two nonzero digits in the tenths place and subtract it, you'll always get a nonzero digit in the answer. but if you have 560.4 - 430.4, then you'll get 130.0. there is a zero in the tenths place. I just disproved that you will always get a nonzero digit in the tenths place. 4 - 4 = 0. the 4s represent the tenths place in each of the 4s in the problem. walah. :P
The difference of two decimals is an integer when the two decimals have the same number of digits after the decimal point, and their fractional parts cancel out perfectly. For example, subtracting 2.50 from 5.50 results in an integer (3.00) because both decimals have two digits after the decimal point. If the decimal parts align such that their difference results in a whole number, the outcome will be an integer.
Three - all nonzero digits are significant.
Yes.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Six. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant.
Three. All nonzero digits are significant.
Three - all nonzero digits are significant.
Three - all nonzero digits are significant.
Three. All nonzero digits are significant.
Two. All nonzero digits are significant.
Five. All nonzero digits are significant and zeros in between significant digits are significant.
Yes.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.