Use properties to find the sum or product of 6 x 107

the given expression will result 642.

Step-by-step explanation:

The given expression is 6 × 107

We can rewrite the expression as 6(100 + 7) by distributive law.

6(100 + 7) = 6 × 100 + 6 × 7

                = 600 + 42

                = 642

Therefore, the given expression will result 642.

dont think so

step-by-step explanation:

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