the number 0.00243 has how many significant digits?\na. 3\nb. 4\nc. 5\nd. 6\nplease select the best answer…

the number 0.00243 has how many significant digits?\na. 3\nb. 4\nc. 5\nd. 6\nplease select the best answer from the choices provided\no a\no b\no c\no d

the number 0.00243 has how many significant digits?\na. 3\nb. 4\nc. 5\nd. 6\nplease select the best answer from the choices provided\no a\no b\no c\no d

Answer

Explanation:

Step1: Recall significant - digit rules

Non - zero digits are always significant. Leading zeros (zeros before non - zero digits) in a decimal number are not significant.

Step2: Analyze 0.00243

In the number 0.00243, the leading zeros (the two zeros before 2) are not significant. The non - zero digits 2, 4, and 3 are significant.

Answer:

A. 3