Decimals II - Challenging

Question 1: Find the expansion of

0. \overset{\cdot}{3} \overset{\cdot}{4} \overset{\cdot}{5}

correct to

5

significant figures

A

0.3454

B

0.34535

C

0.3453

D

0.34534

Question 2: Convert

\frac{17}{16}

to decimal form

A

1.08

B

1.0625

C

1.01

D

1.0125

Question 3: Convert

0.40625

to fractional form

A

\frac{19}{64}

B

\frac{17}{128}

C

\frac{5}{16}

D

\frac{13}{32}

Question 4: Convert

0.1 \overset{\cdot}{6}

to fractional form

A

\frac{1}{3}

B

\frac{1}{6}

C

\frac{1}{7}

D

\frac{16}{100}

Question 5: Which set of numbers consists of the rational number?

A

\sqrt{6}, 12, 0. \overset{\cdot}{1}

B

0.8 \overset{\cdot}{3}, - 3, \frac{π}{2}

C

- 5.5, π^{2}, 4

D

0, 0.1 \overset{\cdot}{6}, {(\sqrt{5})}^{2}

Question 6: Solve:

{(0.01)}^{2} \cdot 10^{6}

A

10000

B

1000

C

100

D

10

Question 7: Solve:

10 \cdot 10^{- 5}

A

10^{- 3}

B

10^{- 4}

C

10^{- 2}

D

\frac{1}{10}

Question 8: Find reciprocal of

- \frac{1}{25}

A

5

B

25

C

- 25

D

- 5

Question 9: Find reciprocal of

0.625

A

1 \frac{3}{5}

B

- 1 \frac{2}{5}

C

\frac{5}{6}

D

1 \frac{1}{5}

Question 10: Find reciprocal of

0.8 \overset{\cdot}{3}

A

1 \frac{1}{5}

B

\frac{3}{8}

C

2 \frac{2}{3}

D

\frac{5}{6}

Test: Decimals II - Challenging

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