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3 years ago

How to solve this question ? use appropriate metric prefix to write the following measurment without use exponents?

1 answer:

8 0

-12 = pico(p) So 10^-12 L = 1 pL Use following to find the count of 10^-12 L are there in 2.3×10^-10 L 2.3×10^-10 / (10^-12) = 2.3×10^2 = 230 pL -6 = micro (µ) 4.7×10^-6 g = 4.7 µg 1.85×10^-12 m = 1.85 pm 6 = Mega (M) 16.7×10^6 s = 16.7 Ms So the answer is 16.7 Ms

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Solve 2x^2 +16x+50=0

musickatia [10]

$2x^2 +16x+50=0\ \ \ \ \ |:2\\\\x^2+8x+25=0\\\\x^2+2\cdot x\cdot4+25=0\ \ \ \ |+4^2\\\\\underbrace{x^2+2\cdot x\cdot4+4^2}_{(a+b)^2=a^2+2ab+b^2}+25=4^2\ \ \ \ \ |-25\\\\(x+4)^2=16-25\\\\(x+4)^2=-9 < 0-NO\ REAL\ SOLUTION$

$COMPLEX\ SOLUTIONS\\\\(x+4)^2=-9\to x+4=\pm\sqrt{-9}\\\\x+4=-3i\ \vee\ x+4=3i\ \ \ \ |-4\\\\x=-4-3i\ \vee\ x=-4+3i$

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2 years ago

Last year Sophia baked 75 cookies, but this year she

Ne4ueva [31]

Answer:

6 cookies

Step-by-step explanation:

simple math

Here, punch this in the calculator, or use your brain

75%8 = 6

3 0

2 years ago

Which set of statements shows the correct steps to find 45 percent of 75?

Liono4ka [1.6K]

Answer:

Step-by-step expWrite 45 percent as 9 ´ 5 percent, and write 5 percent as . Then, find of 75: . Multiply 3.75 by 9 to get 33.75. So, 45 percent of 75 is 33.75

i got it correct on edge

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2 years ago

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Will give brainliest! Probability

alex41 [277]

Answer:

1/49

Step-by-step explanation:

You wrote the problem correctly. You just needed to multiply instead of add.

1/7*1/7=1/49

So the answer is 1/49.

3 0

2 years ago

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What is 0.123 rounded to the nearest tenth

Vikentia [17]

$0.123\\\\digit\ in\ the\ tenths\ place\ is\ \boxed1$

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

$0.\underline{1}23\approx\boxed{0.1}$

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2 years ago

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