3 - 102-2 - 101-9 - 100-2 - 10-1-5 - 10-2 can be expressed as

The correct option is C 329.253 × 10^2 + 2 × 10^1 +9 ×10^0 + 2 ×10^ 1 + 5 × 10^ 2 = (3× 100) + (2× 10) + (9× 1) + (2/10) + (5/100) = 300 + 20 + 9 + 0.2 + 0.05 ...

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Byju's Answer

Standard VII

Mathematics

Expanding a Rational Number Using Powers

3 × 102+2 × 1...

Question

3 $\times$ $10^{2}$ + 2 $\times$ $10^{1}$ + 9 $\times$ $10^{0}$ + 2 $\times$ $10^{- 1}$ + 5 $\times$ $10^{- 2}$ can be expressed as

32.925

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3292.5

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329.25

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3.2925

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Solution

The correct option is C 329.25
3 $\times$ $10^{2}$ + 2 $\times$ $10^{1}$ +9 $\times$ $10^{0}$ + 2 $\times$ $10^{- 1}$ + 5 $\times$ $10^{- 2}$
= $(3 \times 100) + (2 \times 10) + (9 \times 1)$ + $(\frac{2}{10}) + (\frac{5}{100})$
= 300 + 20 + 9 + 0.2 + 0.05
= 329.25

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Similar questions

Express $(3 \times 10^{2}) + (2 \times 10^{1}) + (9 \times 10^{0}) + (2 \times 10^{- 1}) + (5 \times 10^{- 2})$ as a numeral.

5 \times 10^{2} + 6 \times 10^{1} + 9 \times 10^{0} + 2 \times 10^{- 1} + 2 \times 10^{- 2} =

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})

(1 \times 10^{3}) + (2 \times 10^{2}) + (3 \times 10^{1}) + (4 \times 10^{0}) + (2 \times 10^{- 1}) + (3 \times 10^{- 2})

(3 \times 10^{2}) + (2 \times 10^{1}) + (9 \times 10^{0})

expressed in numeral form is .

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3 × 102 + 2 × 101 + 9 × 100 + 2 × 10−1 + 5 × 10−2 can be expressed as

The correct option is C 329.253 × 102 + 2 × 101 +9 ×100 + 2 ×10−1 + 5 × 10−2 = (3×100) + (2×10) + (9×1) + (210) + (5100) = 300 + 20 + 9 + 0.2 + 0.05 = 329.25

3 $\times$ $10^{2}$ + 2 $\times$ $10^{1}$ + 9 $\times$ $10^{0}$ + 2 $\times$ $10^{- 1}$ + 5 $\times$ $10^{- 2}$ can be expressed as

The correct option is C 329.25
3 $\times$ $10^{2}$ + 2 $\times$ $10^{1}$ +9 $\times$ $10^{0}$ + 2 $\times$ $10^{- 1}$ + 5 $\times$ $10^{- 2}$
= $(3 \times 100) + (2 \times 10) + (9 \times 1)$ + $(\frac{2}{10}) + (\frac{5}{100})$
= 300 + 20 + 9 + 0.2 + 0.05
= 329.25