Advertisements
Advertisements
प्रश्न
The length and breadth of a rectangular plot are 5 × 105 and 4 × 104 metres respectively. Its area is ______
पर्याय
9 × 101 m2
9 × 109 m2
2 × 1010 m2
20 × 1020 m2
उत्तर
2 × 1010 m2
Explanation;
Hint:
Area of a rectangle = l × b = 5 × 105 × 4 × 104
= 5 × 4 × 105+4
= 20 × 109
= 2.0 × 10 × 109
= 2 × 1010 m2
APPEARS IN
संबंधित प्रश्न
Simplify.
`9 sqrt 5 - 4 sqrt 5 + sqrt 125`
Multiply and write the answer in the simplest form.
`3 sqrt 12 xx sqrt 18`
Simplify.
`sqrt 216 - 5 sqrt 6 +sqrt 294 -3/sqrt6`
Simplify.
`4 sqrt 12 - sqrt 75 - 7 sqrt 48`
Simplify.
`2 sqrt 48 - sqrt 75 - 1/ sqrt 3`
Simplify the following using addition and subtraction properties of surds:
`5sqrt(3) + 18sqrt(3) - 2sqrt(3)`
Simplify the following using multiplication and division properties of surds:
`root(3)(27) xx root(3)(8) xx root(3)(125)`
`sqrt(27) + sqrt(12)` =
When `(2sqrt(5) - sqrt(2))^2` is simplified, we get
`(0.000729)^((-3)/4) xx (0.09)^((-3)/4)` = ______
