Find the value of $703 - 1 + 1 - 400$ .

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Solution

consider the given expression.
$= 703 - 1 + 1 - 400$
$= 703 - 400$
$= 303$

Hence, the value is $303.$

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(- 70)^{3}

[\frac{1}{8}] + [\frac{1}{8} + \frac{1}{400}] + [\frac{1}{8} + \frac{1}{200}] + [\frac{1}{8} + \frac{3}{400}] + \dots + [\frac{1}{8} + \frac{399}{400}]

Hydration energy ${Δ H}_{h y d r a} . (k J m o l^{- 1})$	Lattice energy $Δ H_{u} (k J m o l^{- 1})$
$L i^{+}$ -499	LiCl-840
$N a^{+}$ -390	NaCl-776
$K^{+}$ -305	KCl-703
$C l^{-}$ -382

Hydration energy ${Δ H}_{h y d r a} . (k J m o l^{- 1})$	Lattice energy $Δ H_{u} (k J m o l^{- 1})$
$L i^{+}$ -499	LiCl-840
$N a^{+}$ -390	NaCl-776
$K^{+}$ -305	KCl-703
$C l^{-}$ -382

\frac{1}{2}

40^{0}

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