(i) State what is meant by a number being written in normalised scientific notation.…
PHYSICS · Subjective · CBSE · Physics · Units and Measurements · Units and Measurements
Problem
(i) State what is meant by a number being written in normalised scientific notation.
(ii) A student multiplies 7.5×104 by 3.2×102 and records the product as 24.0×106. Explain why this written result is not in proper scientific notation and rewrite the product correctly, mentioning the rule you have applied.
(iii) The student now wishes to add 9.3×106 to the corrected product obtained in part (ii). Show all the steps needed to perform this addition correctly and write the final answer in scientific notation, keeping the proper number of significant figures.