Question

Only 1 nd 3 plizz answer guyzz :(
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Answer 1

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1. 6 × 10⁴ + 3 × 10³ + 0 × 10² + 7 × 10¹ + 8 × 10ⁿ

= = > 6 × 10000 + 3 × 1000 + 0 + 7 × 10 + 8

= = > 60000 + 3000 + 0 + 70 + 8

= = > 63078

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3. 8 × 10^5 + 6 × 10⁴ + 4 × 10³ + 2 × 10² + 9 × 10¹ + 6 × 10ⁿ

= = > 8 × 100000 + 6 × 10000 + 4 × 1000 + 2 × 100 + 9 × 10 + 6

= = > 800000 + 60000 + 4000 + 200 + 90 + 6

= = > 864296

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