<p>The increase in pressure required to decrease the volume of a water sample by 0.2% is&nbsp;<span class="equation">\(P\times10^5Nm^{-2}\)</span>. Bulk modules of water is <span class="equation">\(2.15\times10^9N^{-2}\)</span>. The value of P is____​​​​​​​​​​​​​​</p>