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Exercises for Question Type 2: Converting negative numbers to standard form - IB | RevisionDojo

Question 1

Convert $-672000$ to the form $a \times 10^n$ where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 2

Convert $-0.000789$ to the form $a \times 10^n$ where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 3

Write $-250$ in the form $a \times 10^n$ , where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 4

Scientific Notation and Significant Figures

Write $-0.00009456$ in the form $a \times 10^k$ , where $1 \le |a| < 10$ and $k \in \mathbb{Z}$ .

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Question 5

Express $-40500$ in the form $a \times 10^n$ , where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 6

Convert $-98765000$ to the form $a \times 10^n$ where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 7

Convert $-0.0000406$ to the form $a\times10^n$ where $1\le|a|<10$ and $n\in\mathbb{Z}$ .

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Question 8

Specification

Express $0.2$ in the form $a \times 10^n$ , where $1 \le a < 10$ and $n \in \mathbb{Z}$ .

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Question 9

Express $-12345$ in the form $a \times 10^n$ where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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Question 10

Convert $-0.0053$ to the form $a \times 10^k$ , where $1 \le |a| < 10$ and $k \in \mathbb{Z}$ .

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Question 11

Convert $-0.000000314$ to the form $a \times 10^n$ , where $1 \le |a| < 10$ and $n \in \mathbb{Z}$ .

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