Question

Show your work plzzz

Answer 1

Answer:

$\frac{94}{21}$ or $4.47619$ or $4 \frac{10}{21}$

Step-by-step explanation:

(1): 0.7 was replaced by (7/10).

STEP 1: Negative number raised to an even power is positive

For example let's look at (-7)^6 , where (-7) , a negative number, is raised to 6 , an even exponent :

(-7)6 can be written as (-7)•(-7)•(-7)•(-7)•(-7)•(-7)

Now, using the rule that says minus times minus is plus, (-7)^6 can be written as (49)•(49)•(49) which in turn can be written as (7)•(7)•(7)•(7)•(7)•(7) or 7^6 which is positive.

We proved that (-7)^6 is equal to (7)^6 which is a positive number

Using the same arguments as above, replacing (-7) by any negative number, and replacing the exponent 6 by any even exponent, we proved which had to be proved

Equation at the end of step 1:

 1    7

 — ÷ —— + 2^2

 3   10

STEP 2:

                 7

Simplify   ——

                 10

Equation at the end of step 2:

 1        7

 — ÷ —— + 2^2

 3      10

STEP 3:

                 1

Simplify   —

                 3

Equation at the end of step 3:

 1         7    

 — ÷ —— +  2^2

 3   10    

STEP 4:

        1       7

Divide  —  by  ——

        3      10

    Dividing fractions

To divide fractions, write the divison as multiplication by the reciprocal of the divisor :

1      7       1     10

—  ÷  ——   =   —  •  ——

3     10       3     7

Equation at the end of step 4:

 10    

 —— +  22

 21    

STEP 5:

Rewriting the whole as an Equivalent Fraction

 Adding a whole to a fraction

Rewrite the whole as a fraction using  21  as the denominator :

         22     22 • 21

   22 =  ——  =  ———————

         1        21  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

5.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

10 + 22 • 21     94

————————————  =  94/21

     21          21

Answer 2

Hey there!

(1/3 ÷ 0.7) + (-2)^2

= (0.333333333333333 ÷ 0.7) + (-2)^2

= 0.47619 + (-2)^2

= 0.47619 + (-2)(-2)

= 0.47619 + 4

= 4.47619

Therefore, your answer should be:

4.47619

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)