Q. 84.7( 9 Votes )
One (1) is
A. the identity for addition of rational numbers.
B. the identity for subtraction of rational numbers.
C. the identity for multiplication of rational numbers.
D. the identity for division of rational numbers.
Answer :
When a rational number is multiplied by 1 the number obtained will be the same number,hence one (1) is the identity for addition of rational numbers.
(a)Incorrect because when 1 is added to a number the result obtained will not be the same number to which 1 was added.
(b) Incorrect because when 1 is subtracted from a number the result obtained will not be the same number.
(d)When a number is divided by 1 the number will be the reciprocal of the number and will not have the same value.
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lies between 
and 1.
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and 
are on the opposite sides of 0 on the number line.
In each of the following, state whether the statements are true (T) or false (F).
lies between –3 and –4.
In each of the following, state whether the statements are true (T) or false (F).
lies between 1 and 2.
In each of the following, state whether the statements are true (T) or false (F).
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lies neither to the right nor to the left of zero on the number line.
lies to the left of zero on the number line.
lies to the right of zero on the number line.