Unit 1Topic 1.1Question BankHL

Mathematics: Analysis and Approaches · Unit 1: Number and Algebra

Scientific notation and operations with numbers

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10

Questions

69

Total marks

Question 1 of 105 marks

Scientific notation and operations with numbers

[Maximum mark: 5]Two negative numbers are recorded in different forms. The first number is $A=-0.0627\times10^{-3}$ .The second number, $B$ , appears on a calculator as −6.027E−05.(a) Write $A$ in normalized scientific notation.[2](b) Write $B$ in ordinary decimal notation.[1](c) State which of $A$ and $B$ is smaller. Justify your answer.[2]