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Paladinen [302]
3 years ago
6

What is the product in scientific notation? (2.5 x 10-10)(7 x 10-6)

Mathematics
1 answer:
Alex3 years ago
7 0
25,000,000,000)(7,000,000
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Work out 5 x 10^6 / 4 x 10^4<br> Give your answer as an ordinary number.
Angelina_Jolie [31]

Answer:

1.25 \times  {10}^{2} = 125

Step-by-step explanation:

\frac{5 \times  {10}^{6} }{4 \times  {10}^{4} }  =  \frac{5}{4}  \times  \frac{ {10}^{6} }{ {10}^{4} }  = 1.25 \times  {10}^{2} = 125

5 0
3 years ago
Please understand the explanation
aivan3 [116]

<em>answer =  12.56 \: square \: km\\ radius = 4km \\ area \: of \: quarter \: circle =  \frac{\pi {r}^{2} }{4}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{3.14 \times  {4}^{2} }{4}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{3.14 \times 16}{4}  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 12.56 \: square \: km \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment</em>

4 0
3 years ago
I need help with #14
kodGreya [7K]
35 brownies were brought to class by Lauren
7 0
3 years ago
Planes X and Y are perpendicular. Points A, E, F, and G are points only in plane X. Points R and S are points in both planes X a
marusya05 [52]

Answer:

Planes EA and FG

Step-by-step explanation:

3 0
3 years ago
HELPPPPPP PLEASEEEEEEE
azamat
Add up the subtended arcs that these chords cut to get

44+86 = 130

Then divide that result by 2

130/2 = 65

Final Answer: choice A) 65 degrees
6 0
2 years ago
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