Perform no-calculator math accurately and fast
ShopifyData Scientist · Technical Screen
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This question evaluates mental arithmetic, rapid estimation, numerical bounds, and familiarity with exponentials and square-root approximations within the Statistics & Math category for a Data Scientist role.
Without a calculator, solve each part in ≤90 seconds and briefly explain the mental shortcuts you use: a) 37×43; b) 999×997; c) 65^2; d) approximate (1.07)^5 to within 0.005; e) provide tight two‑sided bounds for e^0.3 (justify your bounds); f) √998,001.
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