3 years ago

Please help, whats (-2.1) x (-1.4)?

Mathematics

2 answers:

Fed [463]3 years ago

8 0

Two negatives make a positive so your answer is 2.94

cestrela7 [59]3 years ago

4 0

2.94 since two negatives multiplied makes a positive

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1.85

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3 years ago

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2 years ago

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Write square root of 64 - square root of -289 as a complex number in the form of a+bi

stellarik [79]

Answer:

$\sqrt{64}-\sqrt{-289}$

$=8-17i$

Step-by-step explanation:

$\sqrt{64}=8$ because 8(8)=64 and 8 is the positive square root of 64.

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