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3 years ago

15

A box contains 4 red cubes, 3 blue cubes, 2green cubes, and 1 yellow cube. 2 random cubes are picked then replaced. What is the

probability of picking blue and then red?

1 answer:

Rudik [331]3 years ago

5 0

Answer:

3/25 percent chance

Step-by-step explanation:

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A) work out (8 x 10^-3) x (2 x 10^-4). Give your answer in standard form.

mafiozo [28]

Step-by-step explanation:

$A) \\ (8 \times {10}^{ - 3} ) \times (2 \times {10}^{ - 4} ) \\ = 8 \times 2 \times {10}^{ - 3} \times {10}^{ - 4} \\ = 16 \times {10}^{ - 3 - 4} \\ = 16 \times {10}^{ - 7} \\ = 1.6 \times {10}^{ - 6} \\ \\ B) \\ (6 \times {10}^{ 2} ) \div (3\times {10}^{ - 5} ) \\ \\ = \frac{6 \times {10}^{ 2}}{3\times {10}^{ - 5}} \\ \\ = \frac{2\times {10}^{ 2}}{ {10}^{ - 5}} \\ \\ = 2 \times {10}^{ 2 + 5} \\ \\ = 2 \times {10}^{7} \\$

4 0

3 years ago

Heidi likes to mix her own horse feed. She creates a mix that is 10%

Pepsi [2]

The first step is to Prepare. Heidi wants to make a 30 pounds of molasses solution. She mixes and solution together. How much mixture does she make?

7 0

2 years ago

HELPPpPp please!!!!!!!!

Makovka662 [10]

Answer:

50

Step-by-step explanation:

You have the following information:

48/100 of x = 24

(48/100)*x=24

x= 24:(48/100)=24*(100/48)=100/2=50

6 0

3 years ago

Forty-two is what percent of 70?

vaieri [72.5K]

42 is 60% of 70, find this answer by dividing 42 by 70

3 0

4 years ago

Write an expression that represents the edge length of jewelry box

Mandarinka [93]

Answer:

The cubed-root of v (/v)

Step-by-step explanation:

Like your work on the second question illustrated, the cubed root of v (which is 216) is your expression for the edge length of the box in inches.

Hope this helps!

4 0

3 years ago

Read 2 more answers