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Writing 6 And 7 Digit Numbers In Standard Form Video Lecture | Mathematics for Grade 4

FAQs on Writing 6 And 7 Digit Numbers In Standard Form Video Lecture - Mathematics for Grade 4

1. How do you write a 6-digit number in standard form?

Ans. To write a 6-digit number in standard form, you start with the first non-zero digit, followed by the remaining digits, and then multiply it by the appropriate power of 10 depending on the place value of the digits. For example, the standard form of the number 567,890 would be written as 5.6789 x 10^5.

2. What is the standard form for a 7-digit number?

Ans. The standard form for a 7-digit number is similar to the process for a 6-digit number. You start with the first non-zero digit, followed by the remaining digits, and then multiply it by the appropriate power of 10 depending on the place value of the digits. For instance, the standard form of the number 7,654,321 would be written as 7.654321 x 10^6.

3. How can I convert a number from standard form to its expanded form?

Ans. To convert a number from standard form to its expanded form, you need to multiply the non-zero digit by the power of 10 indicated by the exponent. For example, if you have the number 2.345 x 10^4 in standard form, you would multiply 2.345 by 10,000 to get the expanded form as 23,450.

4. Can you provide an example of a 6-digit number in standard form?

Ans. Sure! A 6-digit number in standard form could be 432,100, which can be written as 4.321 x 10^5.

5. How do you determine the place value of each digit in a 7-digit number?

Ans. In a 7-digit number, the place value of each digit is determined by its position from right to left. The rightmost digit represents the ones place, followed by the tens place, hundreds place, thousands place, ten thousands place, hundred thousands place, and finally the millions place for the leftmost digit.

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