Advertisements
Advertisements
प्रश्न
The numerical expression `3/8 + ((-5))/7 = (-19)/56` shows that ______
पर्याय
rational numbers are closed under addition.
rational numbers are not closed under addition.
rational numbers are closed under multiplication.
addition of rational numbers is not commutative.
Advertisements
उत्तर
The numerical expression `3/8 + ((-5))/7 = (-19)/56` shows that rational numbers are closed under addition.
Explanation:
Rational numbers are closed under addition means the sum of two rational numbers is also a rational number.
APPEARS IN
संबंधित प्रश्न
Subtract the first rational number from the second in each of the following:
Multiply:
Divide:
Find (x + y) ÷ (x − y), if
Insert one rational number between `1/2 and 2`.
Mark the following pairs of rational numbers on the separate number lines: `2/5` and `(- 3)/5`
Which arrow best shows the position of `11/3` on the number line?
If `r/s` is a rational number, then s cannot be equal to zero.
The table shows the portion of some common materials that are recycled.
| Material | Recycled |
| Paper | `5/11` |
| Aluminium cans | `5/8` |
| Glass | `2/5` |
| Scrap | `3/4` |
Is the quantity of aluminium cans recycled more (or less) than half of the quantity of aluminium cans?
The overall width in cm of several wide-screen televisions are 97.28 cm, `98 4/9` cm `98 1/25` cm and 97.94 cm. Express these numbers as rational numbers in the form `p/q` and arrange the widths in ascending order.
