PLEASE SHOW WORK STEP BY STEP HAND WTITTEN ON PAPER PLEASE,

Part A When multiplying several quantities, the number of significant digits in the result must always be O equal to the average number of significant digits in the most and least accurate of the quantities. O equal to the number of significant digits in the least accurate of the quantities. O smaller than the number of significant digits in the least accurate of the quantities. O equal to the number of significant digits in the most accurate of the quantities. O larger than the number of significant digits in the most accurate of the quantities