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Naddika [18.5K]
3 years ago
5

Write 7 x 10^-3 in standard notation.

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0

Answer:

0.007

Step-by-step explanation:

A negative notation starts with 0's from the left.

count 3 places before the 7, that is where my point is.

I am pretty sure of my explanation but the answer is correct.

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Same value as 40% of 84
nordsb [41]

Answer:

33.6

you are welcome :)

Step-by-step explanation:

4 0
2 years ago
Convert this number expressed in standard form to scientific notation
Sergeu [11.5K]

Answer:

28,500,000 into scientific notation is 2.85 x 10⁷

2.85 x 100 in scientific notation is 2.85 x 10²

if you mean the multiplication symbol, it just means to multiply. otherwise, there i don't see an x anywhere else

6 0
3 years ago
What is 2x+3+8x=3x+9x+7
Reika [66]

Answer:

x=-2

Step-by-step explanation:

Hey there!

In order to solve this equation, you need to combine like terms

The equation after combining the x terms and the contants will look like this

10x+3=12x+7

Now you have to take 10x away from both sides

3=2x+7

Now bring all the constants to the left side

3-7=2x

Simplify

-4=2x

divide 2 on both sides to get x by itself

x=-2

So, the answer is x=-2

3 0
2 years ago
PLZZZZ HELP ME i give you the brainest
stiv31 [10]
1. 3x-6+2x+108+88=360
    5x=170
    x=34
2. figure B
3 0
3 years ago
What number is being factored in this factor tree? <br><br>A.72<br> B.180 <br>C.216<br> D.324
Tatiana [17]

Answer:

not sure if it's ryt but I think it's A

7 0
3 years ago
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