Find the value of nbsp-2- 10-4-5- 10-3-4- 10-2-3-10-1-6- 10-0-7-10-1-8-10-2-9-10-3- nbsp-2543-7892543-678925436-7892543-6789

The correct option is C 25436.789 nbsp;(2× 10^4)+(5× 10^3)+(4× 10^2)+ (3×10^1)+(6× 10^0)+(7×10^ 1)+ (8×10^ 2)+(9×10^ 3) ⇒20000+5000+400+30+6+7/10+8/100+9/100 ...

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Byju's Answer

Standard IX

Mathematics

Arithmetic of Numbers in Scientific Notation

Find the valu...

Question

Find the value of $(2 \times 10^{4}) + (5 \times 10^{3}) + (4 \times 10^{2}) + (3 \times 10^{1}) + (6 \times 10^{0}) + (7 \times 10^{- 1}) + (8 \times 10^{- 2}) + (9 \times 10^{- 3})$

2543.789

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2543.6789

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25436.789

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2543.6789

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Solution

The correct option is C 25436.789
$(2 \times 10^{4}) + (5 \times 10^{3}) + (4 \times 10^{2}) + (3 \times 10^{1}) + (6 \times 10^{0}) + (7 \times 10^{- 1}) + (8 \times 10^{- 2}) + (9 \times 10^{- 3})$
$\Rightarrow$ 20000+5000+400+30+6+ $\frac{7}{10} + \frac{8}{100} + \frac{9}{1000}$ =25436.789

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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 value of:

(1) 3⁶
(2) 6³
(3) 2⁶
(4) 1⁸
(5) 5⁴
(6) 4³
(7) 10⁵
(8) 10⁷
(9) 7⁴
(10) 8²

Q. Find the value of

(2 \times 10^{4}) + (5 \times 10^{3}) + (4 \times 10^{2}) + (3 \times 10^{1}) + (6 \times 10^{0}) + (7 \times 10^{- 1}) + (8 \times 10^{- 2}) + (9 \times 10^{- 3})

Find thenumber 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

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Find the value of (2×104)+(5×103)+(4×102)+(3×101)+(6×100)+(7×10−1)+(8×10−2)+(9×10−3)

The correct option is C 25436.789 (2×104)+(5×103)+(4×102)+(3×101)+(6×100)+(7×10−1)+(8×10−2)+(9×10−3) ⇒20000+5000+400+30+6+710+8100+91000=25436.789

Find the value of $(2 \times 10^{4}) + (5 \times 10^{3}) + (4 \times 10^{2}) + (3 \times 10^{1}) + (6 \times 10^{0}) + (7 \times 10^{- 1}) + (8 \times 10^{- 2}) + (9 \times 10^{- 3})$

The correct option is C 25436.789
$(2 \times 10^{4}) + (5 \times 10^{3}) + (4 \times 10^{2}) + (3 \times 10^{1}) + (6 \times 10^{0}) + (7 \times 10^{- 1}) + (8 \times 10^{- 2}) + (9 \times 10^{- 3})$
$\Rightarrow$ 20000+5000+400+30+6+ $\frac{7}{10} + \frac{8}{100} + \frac{9}{1000}$ =25436.789