What is the scientific notation for (9x10^-3)2

Mathematics

2 answers:

damaskus [11]3 years ago

8 0

Answer:

174 I'm pretty sure

Step-by-step explanation:

multiply 9 x10 = 90

subtract 90 - 3=87

multiply 87×2

Rina8888 [55]3 years ago

3 0

Answer:81*10^-6 which becomes 8.1*10^-5

? maybe

Step-by-step explanation:

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A profit of $9 in integers

DedPeter [7]

Because the situation represents a profit, the integer is 9.

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3 years ago

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What is the median of 4.8 , 3.8 5.9 6.6 6.6 5.4 1.7 5.4 3.8 6.3 6 5.5 3.8 5.4 5.4 6.5

bekas [8.4K]

Answer:

The median is 5.4

Step-by-step explanation:

To find the median, you must arrange the numbers from smallest to largest:

1.7, 3.8, 3.8, 3.8, 4.8, 5.4, 5.4, 5.4, 5.4, 5.5, 5.9, 6, 6.3, 6.5, 6.6, 6.6

Since there is an even number of values, we take the middle to values and find the average:

5.4 and 5.4

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5 0

2 years ago

Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. x = t7 + 1, y = t8

Jet001 [13]

I must assume that you meant t=1 (not t=?1). If t=1, here's what we'd do:

1. Find the x and y values corresponding to t=1. They are:
x=(1)^7+1=2 and y=(1)^8+1=2. (Please note: write t^8 instead of t8, and write t^7 instead of t7.)
2. The slope of the tangent line to the graph is
dy/dt 8t^7+1
dy/dx = ---------- = ---------------- with 1 substituted for t
dx/dt 7t^6

Thus, dy/dx (at t=1) = 9/7

3. Now we have both a point (2,2) on the graph and the slope of the tangent line to the curve at that point: 9/7

4. The tangent line to the curve at (2,2) is found by using the point-slope formula:

y-y1 = m(x-x1)

which comes out to y-2 = 9/7(x-2), or 7y-14 = 9(x-2). You could, if you wished, simplify this result further (e. g., by solving for y in terms of x).

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3 years ago

Bobby decides to sell lemonade on a hot summer day. If Bobby sells 20 glasses of lemonade for $0.20 per cup, and his average tot

borishaifa [10]

Answer:

Bobby's economic profits for the day is $0.60.

Step-by-step explanation:

Bobby sells 20 glasses of lemonade for $0.20 per cup.

Amount earned = $20\times0.20=4$ dollars