Simplify 0.000215 x 0.000028 and express your answer in standard form

Assessment: WAEC SSCE - General Mathematics - 2010 (Objective) Subject: General Mathematics

Question 1 Report

Simplify 0.000215 x 0.000028 and express your answer in standard form
Answer Details
To simplify 0.000215 x 0.000028, we multiply the two numbers to obtain: 0.000215 x 0.000028 = 0.00000000602 To express this in standard form, we move the decimal point 9 places to the right, since the number is less than 1. This gives: 0.00000000602 = 6.02 x 10-9 Therefore, the answer is 6.02 x 10-9.
Read lesson note on Fractions, Decimals And Approximations (WAEC)
Read lesson note on Modular Arithmetic (WAEC)
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