47 mm2 60m2 +5 km2 47 dm2 to m2

Plsss help me I can't solve it

235 × 10⁴ m²

Explanation:

We want to convert;

47mm²•60m² + 5km²•47dm² to m²

Let's get the various conversions;

1 mm² = 10^(-6) m²

1km² = 10^(6) m²

1 dm² = 10^(-2) m²

Thus;

47 mm² = 47 × 10^(-6) m²

Similarly;

5 km² = 5 × 10^(6) m²

Also;

47 dm² = 47 × 10^(-2) m²

Thus our original equation in m² gives;

(47 × 10^(-6) × 60) + (5 × 10^(6) × 47 × 10^(-2)) = 235 × 10⁴ m²

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