Difficulty: Easy
Correct Answer: 699930
Explanation:
Given data
Concept / Approach
Step-by-step identification
Digits (with place): 6(10^7), 9(10^6), 7(10^5), 5(10^4), 8(10^3), 4(10^2), 7(10^1), 2(10^0)Place value of left 7: 7 × 10^5 = 700000Place value of right 7: 7 × 10^1 = 70Difference = 700000 − 70 = 699930
Verification
Both place values computed from positional weights; subtraction straightforward.
Common pitfalls
Final Answer
699930
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