EASY
7th CBSE
IMPORTANT
Earn 100

If on multiplying a decimal number by some power of 10, the place value of a digit changes from tenths to tens, then the power of 10 is 

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Important Questions on Decimals

EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 2
Unlike decimal numbers can be converted into a like decimals by adding zeros at the end of the decimal part.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 5
Subtracting 0.54 from a number is the same as subtracting 0.054 from it.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 7
Amongst the following, the value of the expression different from other is:
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 3
On multiplying a decimal number by a power of 10, it seems the digits move to the left of the decimal point by the same number of places as the number of zeros.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 4
If there are m and n digits to the right of the decimal point in two numbers then in their product there are (m+n) or less non-zero digits to the right of the decimal point.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 6
The product of a decimal number and a whole number can never be a whole number.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 1
Every rational number can be expressed as _____________.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 3 - Decimals>REVIEW EXERCISES>Q 2
The expression 2.8×6.15÷1.23 is equal to_____