Question
\( 2.1 .4 \sqrt { 25 } + \sqrt[ 3 ] { - 125 } + ( - 2 ) ^ { 2 } ( - 2 ) ^ { 3 } \)
Ask by Page Brewer. in South Africa
Mar 16,2025
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The final answer is \(-23\).
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Let's break it down step by step! First, we calculate \( \sqrt{25} \) which equals 5, so \( 2.1 \times 4 \times 5 \) gives us \( 42 \). Next, \( \sqrt[3]{-125} \) is \(-5\) because the cube root of \(-125\) is \(-5\). For \( (-2)^2 \times (-2)^3 \), we find \( (-2)^2 = 4 \) and \( (-2)^3 = -8 \), leading to \( 4 \times -8 = -32 \). Adding these values together: \( 42 - 5 - 32 \) results in \( 5 \). So the final result is \( 5 \).