Vinay Sharma and H K Thakur Solutions for Chapter: Knowing Our Numbers, Exercise 5: CHAPTER ASSESSMENT

The number rounded $764837$ rounded off to ten thousand place is_____.

Estimated product of $4075\times 206$ is _____.

Eighty four in Roman numeral is written as $\mathrm{CXXXIV}$.

There are seven zeroes in $1 \mathrm{crore}.$

There are ten lakh milligrams in $1 \mathrm{kg}.$

The smallest $4$-digit number formed by using the digits $\mathrm{4,} 3, \mathrm{0,} 8$ is $3048.$

Hundred million make one crore.

Find the difference between the greatest and the smallest numbers formed by using all the digits $8,0,9,2,7,1$ only once each time.