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\begin{tabular}{llrl} & \multicolumn{5}{l}{ Gebruik jou sakrekenaar om die volgende te bereken: } \\ \( 2.118-4 \times 2 \) & \( 2.25+3 \times 5^{2} \) & \( 2.34(3+5)^{2} \) \\ 2.4 & \( 5+4^{3} \) & \( 2.58+3(8-2 \times 3)^{3} \) & \\ \( 2.62500 \times(1+0,12 \times 3) \) & & \\ 2.7 & \( 2500 \times(1+0,12)^{3} \) & \( 2.8 \sqrt{3(8-5)} \) & \( 2.92(3+2)^{3} \)\end{tabular}

Ask by Watson Davison. in South Africa
Jan 21,2025

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Here are the calculated values for the given expressions: | **Expression** | **Result** | |-----------------------------------------------|------------| | \(2.118 - 4 \times 2\) | \(-5.882\) | | \(2.25 + 3 \times 5^{2}\) | \(77.25\) | | \(2.34(3 + 5)^{2}\) | \(149.76\) | | \(5 + 4^{3}\) | \(69\) | | \(2.58 + 3(8 - 2 \times 3)^{3}\) | \(26.58\) | | \(2.62500 \times (1 + 0.12 \times 3)\) | \(3.57\) | | \(2500 \times (1 + 0.12)^{3}\) | \(4512.32\)| | \(2.8 \sqrt{3(8 - 5)}\) | \(8.4\) | | \(2.92(3 + 2)^{3}\) | \(365\) | **Notes:** Expressions 2.4 and 2.7 were not provided for calculation.

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The Deep Dive

Wist jy dat die gebruik van sakrekenaars nie net beperk is tot basiese wiskundige berekeninge nie? Dit kan jou ook help om komplekse finansiële berekeninge, soos rente en beleggingsoorwegings, makliker te maak. Met die regte funksies en knoppies kan jy baie tyd spaar terwyl jy jou antwoorde vinnig kry! Nog 'n interessante feit is dat die sakrekenaar se ontwerp en funksionaliteit oor die dekades heeltemal verander het. Van die oorspronklike analoogmodelle wat met tandwiele en springende slingers gewerk het tot die moderne digitale weergawe, het sakrekenaars lewensobrekening in die klas, by die werk, en selfs by die huis baie meer toeganklik gemaak. Dus, die volgende keer as jy jou sakrekenaar gebruik, onthou jy dalk daardie pad van innovasie wat tot by jou huidige toestel gelei het!

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