3 years ago

Factor tree of the prime factorization of number 280

Mathematics

2 answers:

Sphinxa [80]3 years ago

8 0

The prime factorization number is 280 I got 2.2.5.7

Mashcka [7]3 years ago

3 0

I belive it is 560 hope i could help. if is is wrong im sorry.

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A bag contain 5 red marbles,4 green marbles and 1 blue marble. A marble is chosen at random from the bag and not replaced; then

jarptica [38.1K]

Answer:

$\frac{2}{15}$

Step-by-step explanation:

GIVEN: A bag contain $5$ red marbles, $4$ green marbles and $1$ blue marble. A marble is chosen at random from the bag and not replaced, then a second marble is chose.

TO FIND: What is the probability both marbles are green.

SOLUTION:

Total marbles in bag $=10$

total number of green marbles $=4$

Probability that first marble will be green $P(A)=\frac{\text{total green marbles}}{\text{total marbles}}$

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Probability that second marble will be green $P(B)=\frac{\text{total green marble in bag}}{\text{total marble in bag}}$

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As both events are disjoint

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$=\frac{2}{5}\times\frac{1}{3}=\frac{2}{15}$

Hence the probability both marbles are green is $\frac{2}{15}$

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3 years ago

2.05 times 10 to the power of 6 in standard notation

Natalka [10]

Answer:

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Step-by-step explanation:

10 to the power of 6= 1000000

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Hence, 2.05 × 10^6 = 2050000

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

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