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Rama09 [41]
3 years ago
14

Calculate without using a calculator and leave your answer in scientific notation

Mathematics
1 answer:
amid [387]3 years ago
3 0

Answer:

The answer 2400.

Step-by-step explanation:

2×10^3=2×1000=2000

4×10^2=4×100=400

2000+400=2400

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Artyom0805 [142]
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3 0
3 years ago
a set of pencils sells for 2.15 and costs 0.45 to make. Thirty percent of the profit from each set goes to the school. if 600 se
vredina [299]

Answer:

$306 go to the school

Step-by-step explanation:

2.15*600 =  1290

0.45*600 = 270

subtract :

1290- 270 = 1020

$1020 made

1020* 30% = 1020 * 0.30

1020* 0.30 = 306

so

$306

6 0
3 years ago
En una caja de muchos bombones hay hasta tres sabores de ellos. ¿Cuántos se deben extraer como mínimo al azar para obtener con s
avanturin [10]

Answer:

At least 13 chocolates must be removed

Step-by-step explanation:

If there are three flavors, the probability of drawing 1 would be: 1

1/3 = 0.333

Which means, that every 3 attempts, theoretically you should do 1 of each, but how they ask for 5 chocolates of each would be:

3 * 5 = 15

At least 15 chocolates must be extracted to theoretically guarantee 5 chocolates each, but how we are interested in knowing is that a single flavor has 5 chocolates, so we discard the last two chocolates that represent the other two flavors

Therefore, for there to be safely 5 chocolates of the same flavor, at least 13 chocolates must be removed.

3 0
3 years ago
Help me plz i need this done soon ty :
Veseljchak [2.6K]

Answer:

A. $47,403.20

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
When you are adding 5+2 what do you get?
allochka39001 [22]

Answer:7

Step-by-step explanation:

5+2=7

8 0
3 years ago
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