Question

What is the decimal form of the rational number −5 3/7 up to tenths digit?
A. -5.04
B. -5.4
C. -5.05
D. 5.5

Answer 1

Answer:

ANSWER:

We have:

(i) 0.8=

8

10

=

8÷2

10÷2

=

4

5

(ii) 0.75=

75

100

=

75÷25

100÷25

=

3

4

(iii) 0.06=

6

100

=

6÷2

100÷2

=

3

50

(iv) 0.285=

285

1000

=

285÷5

1000÷5

=

57

200

Answer 2

Answer:

What is the decimal form of the rational number −5 3/7 up to tenths digit.

Solution:

Find the decimal form of $\[ - 5\frac{3}{7}\]$,

$\[ = - \left( {5 + \frac{3}{7}} \right)\]$

$\[ = - \left( {5 + 0.4} \right)\]$

$\[ = - \left( {5.4} \right)\]$

$\[ = - 5.4\]$

Hence the correct answer is option (b) $-5.4$.