Answer: 6,960,000
Steps: (7 × 10⁶) - (4 × 10⁴)
Remove parentheses: 7 × 10⁶ - 4 × 10⁴
7 × 10⁶ = 7,000,000
4 × 10⁴ = 40,000
7,000,000 - 40,000 = 6,960,000
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