### Mathematics Class IV

Numbers
The Four Operations
Multiples and Factors
HCF and LCM
Fractions
Decimals
Metric Measures
Time
Money, Profit And Loss
Geometry
Symmetry and Pattern
Perimeter and Area
Data Handling

# Multiplication of Decimal Numbers by 10,100,1000

If we multiply a decimal number by , then the decimal point will be shifted one place to the right.

Example 1.

Multiply by .

Solution.

Example 2.

Multiply by .

Solution.

If we multiply a decimal number by , then the decimal point will be shifted two places to the right.

Example 1.

Multiply by .

Solution.

.

Example 2.

Multiply by .

Solution.

.

If we multiply a decimal number by , then the decimal point will be shifted three places to the right.

Example 1.

Multiply by .

Solution.

.

Example 2.

Multiply by .

Solution.

.

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