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प्रश्न
Use the distributivity of multiplication of rational numbers over their addition to simplify:
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उत्तर
Given, `3/4 xx (8/9 - 40)`
= `3/4 xx 8/9 + (3/4) xx (-40)` ...[By using distributive property over addition]
= `2/3 - 30`
= `(2 - 90)/3`
= `(-88)/3`
संबंधित प्रश्न
Verify the property: x × y = y × x by taking:
Verify the property: x × y = y × x by taking:
Name the property of multiplication of rational numbers illustrated by the following statements:
Name the property of multiplication of rational numbers illustrated by the following statements:
Name the property of multiplication of rational numbers illustrated by the following statements:
For every rational numbers x, y and z, x + (y × z) = (x + y) × (x + z).
For all rational numbers a, b and c, a(b + c) = ab + bc.
Verify the property x + y = y + x of rational numbers by taking
`x = (-3)/7, y = 20/21`
Verify the property x + y = y + x of rational numbers by taking
`x = (-2)/5, y = (-9)/10`
Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each.
| Name | Distance covered (km) |
| Seema | `1/25` |
| Nancy | `1/32` |
| Megha | `1/40` |
| Soni | `1/20` |
Who walked farther, Nancy or Megha?
