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MrRa [10]
3 years ago
8

Multiple choice question: simplify √-72 . A) -6√2 B) 3√-2 C) 3√2i D) 3i√2

Mathematics
2 answers:
luda_lava [24]3 years ago
7 0
The answer is 6i sqr rt * 2
Closest one to the answer is A
zhuklara [117]3 years ago
4 0

Answer:

im really not to sure on this one. sorry dude

Step-by-step explanation:

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An iron ion has 26 protons and 23 electrons electrons have a charge of negative 1 and protons have a charge of positive one what
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Answer:

The charge on the ion is +3.

Step-by-step explanation:

We are given the following in the question:

Number of protons = 26

Number of electrons = 23

Charge on 1 proton = +1

Charge on one electron = -1

We have to calculate the total charge on the ion.

Total charge on ion =

=(Number oof proton)(Charge of proton) + (Number of electron)(Charge of electron)

=26(+1) + (23)(-1)\\=26-23\\=+3

Thus, the charge on the ion is +3.

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