Calculate the product of 4, 0.4, 0.04, and 0.004.
Explanation
Multiplying 4 by 0.4, then by 0.04, and finally by 0.004 equals 0.000256. This is because 4 × 0.4 = 1.6, 1.6 × 0.04 = 0.064, and 0.064 × 0.004 = 0.000256.
Multiplying 4 by 0.4, then by 0.04, and finally by 0.004 equals 0.000256. This is because 4 × 0.4 = 1.6, 1.6 × 0.04 = 0.064, and 0.064 × 0.004 = 0.000256.