Write the following in the usual form- i- 100 - 8 - 10 - 5 - 9 ii- 10000 - 1 - 100 - 5 - 10 - 2 iii- 1000 - 5 - 10 - 1 - 3 iv- 100000 - 3 - 1000 - 1 - 10 - 3- -4 MARKS-

Concept: 0.5 Mark each Application: 0.5 Mark each i) 100 × 8 + 10 × 5 + 9 = 800 + 50 + 9 = 859 ii) 10000 × 1 + 100 × 5 + 10 × 2 = 10000 + 500 + 20 ...

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Byju's Answer

Standard VIII

Mathematics

Numbers in General form

Write the fol...

Question

Write the following in the usual form.

i) $100 \times 8 + 10 \times 5 + 9$

ii) $10000 \times 1 + 100 \times 5 + 10 \times 2$

iii) $1000 \times 5 + 10 \times 1 + 3$

iv) $100000 \times 3 + 1000 \times 1 + 10 \times 3$ [4 MARKS]

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Solution

Concept: 0.5 Mark each
Application: 0.5 Mark each

i) $100 \times 8 + 10 \times 5 + 9$

$= 800 + 50 + 9$

$= 859$

ii) $10000 \times 1 + 100 \times 5 + 10 \times 2$

$= 10000 + 500 + 20$

$= 10520$

iii) $1000 \times 5 + 10 \times 1 + 3$

$= 5000 + 10 + 3$

$= 5013$

iv) $100000 \times 3 + 1000 \times 1 + 10 \times 3$

$= 300000 + 1000 + 30$

$= 301030$

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Similar questions

Q. Write the corresponding numeral for each of the following:
(i) 6 × 10000 + 2 × 1000 + 5 × 100 + 8 × 10 + 1
(ii) 5 × 100000 + 8 × 10000 + 1 × 1000 + 6 × 100 + 2 × 10 + 3 × 1
(iii) 2 × 10000000 + 5 × 100000 + 7 × 1000 + 9 × 100 + 5 × 1
(iv) 3 × 1000000 + 4 × 100000 + 6 × 1000 + 5 × 100 + 7 × 1

Write the following in the normal form:

(i) (5 × 10) + (6 × 1); (ii) (7 × 100) + (5 × 10) + (8 × 1); (iii) (6 × 1000) + (5 × 10) + (8 × 1); (iv) (7 × 1000) + (6 × 1); (v) (1 × 1000) + (1 × 10) .

Q. Write the following in the normal form:
(i)

(5 \times 10) + (6 \times 1)

;

(ii)

(7 \times 100) + (5 \times 100) + (8 \times 1)

;

(iii)

(6 \times 1000) + (5 \times 10) + (8 \times 1)

;

(iv)

(7 \times 1000) + (6 \times 1)

;

(v)

(1 \times 1000) + (1 \times 100)

Question 4

The expanded form of the number 9578 is
(A) 9 × 10000 + 5 × 1000 + 7 × 10 + 8 × 1
(B) 9 × 1000 + 5 × 100 + 7 × 10 + 8 × 1
(C) 9 × 1000 + 57 × 10 + 8 × 1
(D) 9 × 100 + 5 × 100 + 7 × 10 + 8 × 1

Q. If