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1
Calculate the product of 5358 multiplied by 51.
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Solution: Step 1: Rewrite 51 as the sum of two convenient numbers: (50 + 1). Step 2: Apply the distributive property of multiplication: 5358 × (50 + 1) = (5358 × 50) + (5358 × 1). Step 3: Calculate the first part: 5358 × 50 = 267900. Step 4: Calculate the second part: 5358 × 1 = 5358. Step 5: Add the two results: 267900 + 5358 = 273258. Step 6: Therefore, 5358 × 51 = 273258.
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Calculate the product of 72519 multiplied by 9999.
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Solution: Step 1: Rewrite 9999 as a difference: (10000 - 1). Step 2: Apply the distributive property of multiplication: 72519 × (10000 - 1) = (72519 × 10000) - (72519 × 1). Step 3: Calculate the first part: 72519 × 10000 = 725190000. Step 4: Calculate the second part: 72519 × 1 = 72519. Step 5: Perform the subtraction: 725190000 - 72519. Step 6: The result of the subtraction is 725117481. Step 7: Therefore, 72519 × 9999 = 725117481.
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