The part of 250m in 1 km is? in fraction​

Answer:

(i) 2

(ii) 4

(iii) 3

We know that numbers are often rounded to avoid reporting insignificant figures.

(i)The First rule is that all non-zero digits are considered as significant: 1, 2, 3, 4…….

(ii)Then the second rule is Zeros between non-zero digits are also considered as significant: 102, 200005, 25020…..

(iii)Now, the third rule can be given as: Leading zeros are never significant: 0.02, 001.887, 0.000515.

(iv)Fourth and the most significant rule is that in a number with or without a decimal point, trailing zeros which are on the right of the last non-zero digit are significant if they are justified by the precision of their derivation: 252,0000; 5.02121000; 6.900; 42.697800

On basis of these rules, we can say that

1. 25.42 have 2 significant figures.
2. 0.004672 have 4 significant figures, as zeroes before the non-zero numbers are considered insignificant.
3. 35.320 have 3 significant figures.

Thank you

Answer:

920 rupees

step:

both are same prize but she get profit on 1 and loss on 1 lets find its profit and loss

2400×50÷100=240×5=1200

she got 1200 profit on 1 bottle = prize of bottle profit - amount = 2400-1200=1200 she buy 1 bottle in 1200

now lets find loss =2400×20÷100=240×2=480

she got loss of 480 on 1 bottle so 2400-480=1920

she buy 1 bottle in 1200 and 1 in 1920

after buying she have 5000-2400-2400=200

but a profit of 1200 and loss of 1920 = 1200-1920=720

so 200+720=920

she now have 920 rupees

Explanation:

Giuseppe Mazzini was an Italian revolutionary and a patriot. Metternich was an Austrian diplomat.

Metternich described Mazzini as ‘the most dangerous enemy of our social order’ because of the following reasons:

1. Mazzini’s vision of a democratic republic frightened the conservatives.

2. Mazzini was the founder of Young Italy, and he believed in liberal nationalism.

3. He also founded the underground society called Young Europe in Berne.

4. These two societies aimed at uniting several states and kingdoms into one republic.

5. He wrote many essays that brought injustice to common people such as artists, professionals, peasants, etc., to the limelight.

Many underground societies were set up in Germany, Switzerland, and Poland which inspired young members to revolutionary activities. Hence, Metternich uttered Mazzini as the most dangerous enemy.

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