Expressed in standard powers-of-10 notation and rounded to four significant figures, the number 0.00023648 is A) 2.364 × 10³. B) 2.365 × 10⁴. C) 2.365 × 10^-4. D) 236.4 × 10^-6.

Question

Quizplus · Accepted Answer

To express 0.00023648 in standard powers-of-10 notation, we move the decimal point 4 places to the right, making it 2.3648. Rounded to four significant figures, it becomes 2.365. The exponent for the power of 10 is -4 because we moved the decimal to the right (indicating a negative exponent). Thus, the correct notation is 2.365 × 10^-4.

Expressed in Standard Powers-Of-10 Notation and Rounded to Four Significant