Airon worker will cut 2.4 meters of a iron rod into 4 smaller rods. the smaller rods will all be the same length. what should the length of the 4 smaller rods be?

.6 meters

Step-by-step explanation:

We need to take the total length and divide it by 4, since that is the number of rods we want and they are all the same length

2.4/4 =.6 meters

Each rod will be .6 meters long

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places