Rounding Off

Q.

How many significant figures there are in $0.04$?

Q.

Convert the following decimals into a percentage:

$0.73$

Q.

Convert the following decimals into a percentage:
$2.9$

Q.

Convert the decimals into a percentage.

$0.150$

Q.

What is $2648$ to two significant figures?

Q.

Three cans contain 23.265 ml, 60.5 ml and 71.486 ml of kerosene. What should be the minimum capacity of a can that can hold the total quantity of kerosene rounded off to 2 decimal places?

1. 155.251 ml

2. 155.50 ml

3. 155.21 ml

4. 155.25 ml

Q.

Round $327$ to the nearest ten.

Q.

Convert the following decimals into a percentage:

$0.75$

Q.

How many significant figures there are in $3256$ ?

Q.

Round 3.10354 to the nearest hundredth.

1. 3.103

2. 3.1

3. 3.0

4. 3.1035

Q.

Using the digits $2,3,9$ and $6$, write the smallest four digit number.

Q.

Round $2,793$ to the nearest ten.

Q.

Convert the following percent to decimals.

$34\%$

Q.

Convert the following decimals into a percentage:

$7.654$

Q. Round off the decimal $11.047$ to the nearest tenth.

1. $11.0$
2. $12.04$
3. $11.2$
4. $11.1$

Q. Write each of the following decimal numbers in words:
$30.5$

Q.

To convert a decimal into percent, we _______ it by $100.$

Q.

Shambhavi has 9 pieces of cake and she has to distribute these pieces equally among 4 girls.What will be the share of each girl rounding off to the nearest tenths?

1. 2.7

2. 2.3

3. 2.2

4. 2.5

Q.

Write the smallest $5-$digit number using the digits $7,3,9,5,1$

Q.

Convert the unlike decimal numbers to like decimal numbers $2.451,3.7,28.34.$

Q.

''Ignore the zeros after the decimal point' Why??

Q. Three cans contain 23.265 ml, 60.5 ml and 71.486 ml of kerosene. What should be the minimum capacity of a can that can hold the total quantity of kerosene rounded off to 2 decimal places?

Q. What is $4,563,021÷{10}^5$, rounded to the nearest whole number?

1. 45
2. 44
3. 46
4. 47

Q.

Estimate the product of 1049 × 351 by rounding off both numbers to nearest 100's.

1. 450000

2. 400000

3. 440000

4. 404000

Q.

A company has 123 offices, and each office has 268 employees. They are all invited to a party. Estimate the number of people who will attend the party if the number of employees in each office is rounded off to the nearest hundreds and number of offices to the nearest tens.

1. 36800

2. 36000

3. 28000

4. 27000

Q. Multiply $4.28$ and $0.67$. Expressing the product obtained in three significant digits, the last two digits will be

Q. Convert 200% into a decimal

Q.

Multiply $0.6845by400$

Q. Estimate the subtraction of $5673-436$ to nearest thousand

Q.

Round 3.10324 to the nearest thousandth.

1. 3.1000

2. 3.103

3. 3.104

4. 3.0000