which expressions are equivalent to the one below? check all that apply. log(10^3)
a. 3
b. 3•log10
c. 1
d. 3•10

Respuesta :

Answer:

They are a and b.

Step-by-step explanation:

We have got logarithms to the base 10 here.

We know that log 10^3 = 3 log 10   ( by  the law of logarithms).

Also log 10 = 1 ( by definition) so log 10^3 = 3 log 10 = 3.

The expressions equivalent ot he given expression is option A and B.

What is an Expression?

An expression is a mathematical statement which consists of variables, constants and mathematical operators.

A logaritm function is inverse of exponential function.

The logarithm of a given number x is the exponent to which another fixed number, the base a, must be raised, to produce that number x.

[tex]\rm log_ax = b\\a^b = x[/tex]

The expression is [tex]\rm log (10^3)[/tex]

Using the rule

[tex]\rm log b^a = a log b[/tex]

The expression [tex]\rm log (10^3)[/tex]can be written as

[tex]\rm 3 * log 10\\log 10 = 1\\ log(10^3) = 3[/tex]

The options are

a. 3

This is equivalent to log(10³)

b. 3•log10

This is equivalent to log(10³)

c. 1

This is not equivalent to log(10³)

d. 3•10

This is not equivalent to log(10³)

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