Question

sub 5/11 from -8/23​

Answer 1

Answer:

The change of base rule can be used if

a

and

b

are greater than

0

and not equal to

1

, and

x

is greater than

0

.

log

a

(

x

)

=

log

b

(

x

)

log

b

(

a

)

Substitute in values for the variables in the change of base formula, using

b

=

10

.

log

(

11

)

log

(

5

)

The result can be shown in multiple forms.

Exact Form:

log

(

11

)

log

(

5

)

Decimal Form:

1.48989610

…

Answer 2

-8/23 - 5/11

LCM of 23 and 11

23: 253

11: 253

-8/23 - 5/11

×11 - ×23

-88/253 - 115/253

(-88)-115/253

-203/253

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