My question is that imagine if 33.45 times 45. 67 you need to but an extra zero
Explanation (1)
Student Explanation
March 17, 2025
Thank you for reaching out to Alloprof! 😊
If you're multiplying 33.45 × 45.67, do you need to add an extra zero? 🤔
Actually, when multiplying decimal numbers, you don’t add a zero, but you must count the total number of decimal places.
How to do it?Ignore the decimal points and multiply as if they were whole numbers: → 3345×45673345 \times 45673345×4567Calculate the product normally.Count the total number of decimal places:33.45 has 2 decimal places.45.67 has 2 decimal places.In total: 2 + 2 = 4 decimal places in the final answer.Place the decimal point in the final result to make sure there are 4 decimal places.Example with a simpler calculation:If you multiply 3.2 × 4.5, first multiply 32 × 45 = 1440, then place the decimal to get 2 decimal places → 14.40.
Conclusion:No, you don’t need to add an extra zero, but you must place the decimal point correctly at the end! 😃
Please come back if it isn't clear!
Andréanne & the AlloProf team! :)
Deleting this explanation will also permanently delete the question. Do you want to continue?