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Temka [501]
3 years ago
7

Help on maths please convert to index form

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer: 1.6 x 10^-3

Step-by-step explanation:

= 1/5^4

=1/625

=0.0016 = 1.6 x 10^-3

Ostrovityanka [42]3 years ago
4 0

Step-by-step explanation:

Because a^m / a^n = a^(m-n),

we have 5³ / 5⁷ = 5^(3-7) = 5^(-4).

You might be interested in
What is the value of A when we rewrite 3.14^159x as A^x?
slavikrds [6]

The rule we'll use is

p^(q*r) = (p^q)^r

The exponents have been rearranged a bit.

In this case, p = 3.14, q = 159 and r = x, so,

p^(q*r) = (p^q)^r

3.14^(159*x) = (3.14^159)^x

This is in the form A^x with A = 3.14^159

3 0
3 years ago
Find the solution to the system of equations-2 + 2y = -4 3x + 3y = -18
AfilCa [17]

Answer:

\boxed{x = -2~~and~~ y = -4}

Step-by-step explanation:

-2x + 2y = -4 (times 3) -6x + 6y = -12

3x + 3y = -18 (times 2) 6x + 6y = -36

.

-6x + 6y = -12

<u>6x + 6y = -36 </u>+

12y = -48

y = \frac{-48}{12}

y = -4

.

Substitute the value of y to the one of equations

-2x + 2(-4) = -4

-2x - 8 = -4

-2x = -4 + 8

-2x = 4

x = \frac{4}{-2}

x = -2

4 0
3 years ago
Read 2 more answers
What is 2+1 ?????????????????????????????????????????????????????????
matrenka [14]

Answer:

3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

5 0
3 years ago
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Is Joon lee soo a girl or boy name???​
blagie [28]

Answer:

Girl

Step-by-step explanation:

For me... it sound more like a girl but it could also be a boy's name

3 0
3 years ago
Sarah makes small purses (x) and big purses (y). She can make no more than 8 purses a week. Which inequality represents the situ
-Dominant- [34]

Answer:

8 >= x + y

<em><u>Hope I helped! Have a nice day! Plz mark as brainliest!!! :D</u></em>

<em><u>-XxDeathshotxX</u></em>

4 0
3 years ago
Read 2 more answers
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