This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
The reciprocal of 0.0045 is approximately 2.2 x 10^2. Steps: 1. Calculate the reciprocal: Reciprocal = 1 / 0.0045 Reciprocal = 222.222... 2. Convert to standard form (scientific notation): To express 222.222... in standard form, move the decimal point to the left until there is only one non-zero digit before the decimal point. 222.222... becomes 2.222... The decimal point was moved 2 places to the left, so the exponent of 10 is 2. Therefore, 222.222... ≈ 2.2 x 10^2 (rounded to two significant figures, matching the input 0.0045).