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Lelechka [254]
3 years ago
7

True or False: When comparing and ordering scientific notation we look at the exponent first​

Mathematics
2 answers:
dezoksy [38]3 years ago
6 0

Answer:

f

Step-by-step explanation:

base

andrey2020 [161]3 years ago
6 0

Answer:

True, You need to compare the exponents first because the exponent represents place value.

Step-by-step explanation:

Hope this Helps!

Plz Mark Brainliest!

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Answer:

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Write the expression n ⋅ n ⋅ p ⋅ p ⋅ r ⋅ r ⋅ r using exponents.
hoa [83]

Answer:

n² p²r³

Step-by-step explanation:

n ⋅ n ⋅ p ⋅ p ⋅ r ⋅ r ⋅ r

Write using exponents

There are 2 n terms

n²⋅ p ⋅ p ⋅ r ⋅ r ⋅ r

There are 2 p terms

n² p²⋅ r ⋅ r ⋅ r

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5 0
1 year ago
The sum of three numbers is 26. Twice the first minus the second is the third less 2. The third is the second minus 3 times the
Agata [3.3K]

Let a, b, c represent the three numbers. The problem statement gives rise to three equations:

  • a +b +c = 26
  • 2a -b = c -2
  • -3a +b = c

Adding the first two equations gives

... (a +b +c) +(2a -b) = (26) +(c -2)

... 3a +c = 24 +c . . . . . simplify

... 3a = 24 . . . . . . . . . . subtract c

... a = 8 . . . . . . . . . . . . divide by 3

Adding the second and third equations gives ...

... (2a -b) +(-3a +b) = (c -2) +(c)

... -a = 2c -2 . . . . simplify

... -6 = 2c . . . . . . add 2, substitute for a

... -3 = c . . . . . . . . divide by 2

Using the third equation we can find b.

... -3·8 +b = -3 . . . . substitute for a and c

... b = 21 . . . . . . . . .add 24

The numbers are 8, 21, -3.

_____

The method above is sort of "ad hoc", taking advantage of the numbers in this particular set of equations. You can use more formal methods of Gaussian elimination or Cramer's Rule to solve these by just following a procedure. Or, your graphing calculator can do it for you.

6 0
3 years ago
2x greater than of equal to -2/3x(4x+4)
ryzh [129]

x  \geqslant  -  \frac{1}{ {12x}^{2} + 12x }
(I can be wrong.)
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3 years ago
Without multiplying, determine the sign of the product (356,864)(−194,758)
Anon25 [30]

Answer:

-6.95 x 10^10

Step-by-step explanation:

7 0
3 years ago
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