(-2.655) · (18.44) What’s the answer

Mathematics

2 answers:

love history [14]3 years ago

7 0

Answer:

-48.9582

Step-by-step explanation:

Given problem,

(-2.655) · (18.44)

Since, direct multiplication is quiet calculative,

Thus, for easing the calculation we simplify the expression,

(-2.655) · (18.44)

$=\frac{-2655}{1000}\times \frac{1844}{100}$

$=-\frac{531}{200}\times \frac{461}{25}$

$=-\frac{531\times 461}{5000}$

$=-\frac{531(400+60+1)}{5000}$

$=-\frac{212400+31860+531}{5000}$

$=-\frac{244791}{5000}$

$=-\frac{244.791}{5}$

$=-48.9582$

stepan [7]3 years ago

4 0

Answer:

-48.9582

Step-by-step explanation:

Negative times a positive is negative.

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If 4 gal of premium unleaded gasoline costs $15.04, how much would it cost to completely fill a tank whose capacity is 9-gal?

Sveta_85 [38]

Answer:

$33.84 cents

Step-by-step explanation:

Given the following question:

4 gallons = 15.04
1 gallon = ?

How much for 9 gallons?

To find the answer we have to find how much one-gallon costs since we already know how much it costs for 4 gallons of this unleaded gasoline.

$15.04\div4$
$15.04\div4=3.76$
$=3.76$

One gallon of this gasoline costs $3.76 now we need to find how much it costs for 9 gallons.

$3.76\times9=33.84$
$=33.84$

For nine gallons of gasoline it will cost you "$33.84 cents."

Hope this helps.