100 - 7-10 - 1-1 - 8-

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Byju's Answer

Standard VIII

Mathematics

Numbers in General Form

100 × 7+10 × ...

Question

$100 \times 7 + 10 \times 1 + 1 \times 8$ = .

780

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781

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718

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817

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Solution

The correct option is C 718
7 is in hundreds place, 1 in tens place and 8 in units place.
So, $100 \times 7 + 10 \times 1 + 1 \times 8$
$= 700 + 10 + 8 = 718$

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Similar questions

$7 \times 100 + 1 \times 10 + 8 = ?$

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

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) .

Choose the correct option for the following decimal expansion

$(2 \times 1000) + (8 \times 100) + (1 \times 1) + (7 \times \frac{1}{10}) + (5 \times \frac{1}{100})$

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100×7+10×1+1×8 = .

The correct option is C 7187 is in hundreds place, 1 in tens place and 8 in units place. So, 100×7+10×1+1×8 =700+10+8=718

$100 \times 7 + 10 \times 1 + 1 \times 8$ = .

The correct option is C 718
7 is in hundreds place, 1 in tens place and 8 in units place.
So, $100 \times 7 + 10 \times 1 + 1 \times 8$
$= 700 + 10 + 8 = 718$