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liq [111]
2 years ago
14

There are (3^2)^4 ⋅ 3^0 bacteria in a petri dish. What is the total number of bacteria in the dish?

Mathematics
1 answer:
snow_tiger [21]2 years ago
6 0

 

\displaystyle\\\Big(3^2\Big)^4\times3^0=3^{2\times4}\times3^0=3^8\times1=\boxed{\bf3^8~~bacteria}




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Judy worked 8 hours and Ben worked 10 hours. Their combined pay was $80. When Judy worked 9 hours and Ben worked 5 hours, their
pav-90 [236]

Answer:

Judy = $5/hr

Ben = $4/hr

Step-by-step explanation:

Judy's hours at work - x

Ben's hours at work - y

8x + 10y = 80

9x + 5y = 65

Given these two equations above, we get:

10y = 80 - 8x, which means y = 8 - 0.8x.

Substitute y in the second equation with 8 - 0.8x, so we have:

9x + 5 (8 - 0.8x) = 65

9x + 40 - 4x = 65

5x = 25

x = 5

Come back to the first equation, substitute x:

8*5 + 10y = 80

10y = 80 - 40

y = 4

3 0
2 years ago
PLEASE HELP ME!!!!<br><br> Given f(x) = 2x + 3 and<br> g(x) = 2 ^ x <br> What is f(3) - g(4) ?
valentinak56 [21]

Answer:

-7

Step-by-step explanation:

f(3) = 2(3)+3 = 9

g(4) = 2^4 = 16

9 - 16 = -7

7 0
2 years ago
Can someone help me with part b on this question please?
Galina-37 [17]

9514 1404 393

Answer:

  12.0 cm

Step-by-step explanation:

The Pythagorean theorem applies:

  (12 cm)² +b² = (17 cm)²

  b² = (289 -144) cm² = 145 cm²

  b = √145 cm ≈ 12.04 cm

  b ≈ 12.0 cm . . . . rounded to 1 decimal place

8 0
3 years ago
What is the turning point of the graph of f(x)=|x|+4
Rasek [7]

Answer:the answer is (0, 4).

Step-by-step explanation:

8 0
3 years ago
The length of a rectangle is 4 times the width. the area is 256 square centimeters. find the length and width of the rectangle.
sukhopar [10]
Width=8
Length=32

Look at the GCF of 256
3 0
2 years ago
Read 2 more answers
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