If the expanded form of a number is 2 - 104-3 - 102-5 - 101-7- then the number is

The correct option is D 20357 2 x 104 + 3 x 102 + 5 x 101 + 7 = 2 x 10000 + 3 x 100 + 5 x 10 + 7 = 20000 + 300 + 50 + 7 = 20357 ...

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Byju's Answer

Standard VII

Mathematics

Standard Form of Exponents

If the expand...

Question

If the expanded form of a number is 2 x 10⁴ + 3 x 10² + 5 x 10¹ + 7, then the number is

25307

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23570

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23057

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20357

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Solution

The correct option is D
20357

2 x 10⁴ + 3 x 10² + 5 x 10¹ + 7

= 2 x 10000 + 3 x 100 + 5 x 10 + 7

= 20000 + 300 + 50 + 7

= 20357

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Similar questions

Write the numeral whose expanded form is given below:
(i) $6 \times 10^{4} + 3 \times 10^{3} + 0 \times 10^{2} + 7 \times 10^{1} + 8 \times 10^{0}$
(ii) $9 \times 10^{6} + 7 \times 10^{5} + 0 \times 10^{4} + 3 \times 10^{3} + 4 \times 10^{2} + 6 \times 10^{1} + 2 \times 10^{0}$
(iii) $8 \times 10^{5} + 6 \times 10^{4} + 4 \times 10^{3} + 2 \times 10^{2} + 9 \times 10^{1} + 6 \times 10^{0}$

Find the number from each of the following expanded forms:

(a) 8 × 10⁴ + 6 × 10³ + 0 × 10² + 4 × 10¹ + 5 × 10⁰

(b) 4 × 10⁵+ 5 × 10³+ 3 × 10²+ 2 × 10⁰

(d) 9 × 10⁵ + 2 × 10² + 3 × 10¹

Q. Find the number form each of the following expanded forms:

8 \times 10^{4} + 6 \times 10^{3} + 0 \times 10^{2} + 4 \times 10^{1} + 5 \times 10^{0}

Q. Write the number whose expanded form is as below:

3 \times 10^{4} + 6 \times 10^{3} + 5 \times 10^{2} + 8 \times 10^{0}

Q. Find the number from each of the expanded form:
(i) 7 × 10⁸ + 3 × 10⁵ + 7 × 10² + 6 × 10¹ + 9
(ii) 4 × 10⁷ + 6 × 10³ + 5

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If the expanded form of a number is 2 x 104 + 3 x 102 + 5 x 101 + 7, then the number is

The correct option is D 20357 2 x 104 + 3 x 102 + 5 x 101 + 7 = 2 x 10000 + 3 x 100 + 5 x 10 + 7 = 20000 + 300 + 50 + 7 = 20357

If the expanded form of a number is 2 x 10⁴ + 3 x 10² + 5 x 10¹ + 7, then the number is

The correct option is D
20357

2 x 10⁴ + 3 x 10² + 5 x 10¹ + 7

= 2 x 10000 + 3 x 100 + 5 x 10 + 7

= 20000 + 300 + 50 + 7

= 20357