3 years ago

Find the product and fill in the blanks to write in standard complex number form.

1 answer:

7 0

Recall that i represents the square root of -1, so by squaring it we get -1.

(2 + 4i)(7 - 3i)

= 14 - 6i + 28i + 12
= 26 + 22i

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professor190 [17]

Answer: $107939\ BTU$

Step-by-step explanation:

Given

Propane produced heat energy of $2470\ BTU/ft^3$

The volume of the tank is $43.7\ ft^3$

The energy produced by this propane tank is

$\Rightarrow 2470\times 43.7=107939\ BTU$

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2 years ago

Aliun [14]

It’s unsolvable with out more context. What’s the rest of the problem.

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3 years ago

never [62]

325.5 if I did my math right

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3 years ago

LenKa [72]

It is probably A: 2/3

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zlopas [31]

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