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olasank [31]
3 years ago
12

What is special about a radioactive cat?

Mathematics
2 answers:
lesya692 [45]3 years ago
7 0
I could go through and answer it all and give you the answer but i think this will be better. Scientific Notation is just a way to sum up a long number so you don't have to write out a bunch of zeros. Without talking about "significant figures" you just put a decimal point after the first actual number, add a "x 10" then count the zeros and write the number as a superscript to the 10. any number like this 0.000.... (<em>smaller than 1</em>) has a negative superscript. any number like 10000... (<em>larger than 1</em>) has a positive superscript.

Example:
6,200,000 = 6.2 x 10^6
&
0.0000062 = 6.2 x 10^-6

Here are some general rules now that you know what you are trying to do:

1. Scientific Notation ONLY ever has ONE number in front of the decimal, like this: 6.02 x 10^23.
NOT LIKE THIS: 60.2 x10^23 or 61.2 x 10^23
and NEVER a zero like this: 0.70 x 10^23.

2. it is ONLY ever a multiplication symbol, 6.02 "x" 10^23, NEVER divide, + or -.

3. for the examples on this paper, do NOT include zero's on the end like this 7.20 x 10^23. Only the actual numbers, and, <em>zeros that are</em> <em>between numbers</em> like this 6.0201 x 10^23. The zero's on the end get summed up and are noted in the ^23 part. (<em>This part is called a superscript, in case you didn't know that</em>)

4. In the last section they are just showing you some incorrect stuff to trick you up. Just put the decimal in the correct place and adjust the ^23 superscript bit.


Sladkaya [172]3 years ago
4 0
May that it glows from the radioactivity???
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Apply the distributive property to create an equivalent expression.<br> −9⋅(5j+k)
disa [49]

Step-by-step explanation:

step one: *multiply the negative 9 with the 5j.

which which will come out to be -45j

step 2: now now multiply the -9 with the k. which it comes out to be negative 9k.

step 3: -45j + -9k

4 0
3 years ago
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Whats 4 2/5 x 1 1/2 pls help​
Veronika [31]
The answer is that (It’s 6.6)
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3 years ago
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Styline menswear ordered short-sleeve shirts for $23 each and long-sleeve shirts for $28.50 each from Tommy Hilfiger. If the tot
Mice21 [21]

Styline menswear ordered short-sleeve shirts for $23 each and long-sleeve shirts for $28.50

short-sleeve shirts for $23

long-sleeve shirts for $28.50

Total cost = $9,862.50

Let x be the number of short - sleeve

and y be the number of long  - sleeve

Total shirts = 375

x + y = 375

23x + 28.50y = 9862.50

Now we solve for x  

x + y = 375 ( subtract x on both sides)

So y = 375 - x

Now plug in 375 -x for y in second equation

23x + 28.50y = 9862.50

23x + 28.50(375 - x ) = 9862.50

23x + 10687.5 - 28.50x = 9862.50

subtract 10687.5  from both sides

23x  - 28.50x = -825

-5.5x = -825 (divide -5.5 on both sides)

x = 150

So number of short-sleeve = 150

7 0
3 years ago
Need help on this math pls points and brainlest Math angles
iVinArrow [24]

Answer:

x = 28

m<ABC = 57°

Step-by-step explanation:

✔️(2x + 1)° + 33° = 90° (complementary angles)

Solve for x

2x + 1 + 33 = 90

Add like terms

2x + 34 = 90

2x = 90 - 34 (subtraction property of equality)

2x = 56

Divide both sides by 2

x = 28

✔️m<ABC = 2x + 1

Plug in the value of x

m<ABC = 2(28) + 1

= 56 + 1

m<ABC = 57°

5 0
3 years ago
Read 2 more answers
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