Multiplication of a Whole Number with Powers of 10
The price of ...
Question
The price of a teddy bear is 30 dollars. An online shop placed an order for 1,000 such teddy bears. Which of the following gives the price of 1,000 teddy bears?
A
30,000 dollars
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B
3,000 dollars
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C
300,000 dollars
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D
300 dollars
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Solution
The correct option is A 30,000 dollars Price of a teddy bear = 30 dollars
Price of 1,000 such teddybears = 1000 × 30
To mulitply a number by 1000, we have to add three zeros to the right of the number.
⟹ 30 × 1000 = 30,000 dollars
Hence, the total price of 1000 teddy bears = 30,000 dollars