Question

Use the order of operations to simplify 6.6 -3.2+1/10

A. 1/7/10
B. 7/3/10
C. - 7/10
D. 7/10

Answer 1

A. =
`(7)/(2)` , in decimal= 3.5 or 3
`(1)/(2)`

B.=
`(7)/(30)`

C. = - 0.7 (NEGATIVE SIGN)

D.=0.7 ( POSITIVE SIGN)

Order Of Operations is:

First,

1. Multiplication
2. Division
3. Addition
4. Subtraction

Explanation:

Simplify

6.6-3.2 +
`(1)/(10)` =

First, Subtract (6.6 - 3.2)

= 3.4

Then with the fraction, add the result of the subtaction by the fraction:

= 3.4 +
`(1)/(10\\)` , using happy face method

Multiply denominators (1×10) and multiply in X (3.4×10) + (1×1)

=
`(3.4)/(1)` +
`(1)/(10)` =
`(34+1)/(10)`=
`(35)/(10) =(7)/(2)`

Answer :
`(7)/(2)` , in decimal= 3.5 or 3
`(1)/(2)`

A.
`(1)/(7)` ÷
`10`

=
`(1)/(7)/ (10)/(1)`

=
`(1\cdot \:1)/(7\cdot \:10)`

Answer:
`(1)/(70)`

B.
`(7)/(3)/ \:10`

=
`(7)/(3)\cdot (1)/(10)`

Answer:
`(7)/(30)`

C. - 7/10

= - 0.7 (NEGATIVE SIGN)

D. 7/10

= 0.7 ( POSITIVE SIGN)

Hope it help you :)