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3 years ago

7

Please use a ruler I will give you points

1 answer:

Brrunno [24]3 years ago

6 0

Answer:

2

Step-by-step explanation:

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21/84 in simplest form

ipn [44]

Divide the numerator and denominator by 21:

21 / 21 = 1
84 / 21 = 4

So 21/84 is equal to 1/4.

5 0

4 years ago

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Which comparison is correct?

r-ruslan [8.4K]

Option B: $4.5 \times 10^{-6}>3.9 \times 10^{-9}$ is the correct answer.

Explanation:

Option A: $7.1 \times 10^{8}>1.2 \times 10^{9}$

Simplifying, we get,

$710000000>1200000000$

Since, the value of $1.2 \times 10^{9}$ is greater than $7.1 \times 10^{8}$ , the comparison $7.1 \times 10^{8}>1.2 \times 10^{9}$ is false.

Hence, Option A is not the correct answer.

Option B: $4.5 \times 10^{-6}>3.9 \times 10^{-9}$

Simplifying, we get,

$0.0000045>0.0000000039$

Since, the value of $4.5 \times 10^{-6}$ is greater than $3.9 \times 10^{-9}$ , the comparison $4.5 \times 10^{-6}>3.9 \times 10^{-9}$ is true.

Hence, Option B is the correct answer.

Option C: $$2.4 \times 10^{-5}$

Simplifying, we get,

$0.000024$

Since, the value of $2.4 \times 10^{-5}$ is greater than $5.7 \times 10^{-6}$ , the comparison $$2.4 \times 10^{-5}$ is false.

Hence, Option C is not the correct answer.

Option D: $$8.2 \times 10^{-4}$

Simplifying, we get,

$0.00082$

Since, the value of $8.2 \times 10^{-4}$ is greater than $3.6 \times 10^{-6}$ , the comparison $$8.2 \times 10^{-4}$ is false.

Hence, Option D is not the correct answer.

6 0

4 years ago

In a writing competition, the first place winner receives 1/2 of the prize money. The second runner up receives 1/4 of what the

worty [1.4K]

Answer:

10,000 is the total amount of.money that was distributed

6 0

3 years ago

An aquarium holds 6-1/4 gallons of water. The water evaporated and dropped to 4/5 of this amount. How many gallons of water rema

n200080 [17]

Answer:

5

Step-by-step explanation:

Change 6 1/4 into an improper fraction

6 1/4 = (4*6 +1)/4 = 25/4

Multiply by the fraction

25/4 * 4/5

5

There are 5 gallons left

4 0

3 years ago

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Which line is parallel to the line given below?

vichka [17]

Answer:

B

Step-by-step explanation:

2x+5y=-52...............

7 0

3 years ago

Read 2 more answers