Rounding 3,918 by 100

Answers

Answer 1
Answer:

Answer

3900

Step-by-step explanation:

When rounding to the nearest hundred, like we did with 3918 above, we use the following rules:

A) We round the number up to the nearest hundred if the last two digits in the number are 50 or above.

B) We round the number down to the nearest hundred if the last two digits in the number are 49 or below.

C) If the last two digits are 00, then we do not have to do any rounding, because it is already to the hundred.


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Express this number in scientific notation.
245,600,000,000
plzzzzz hurry!

Answers

Answer:

2.456 × 10^11

Step-by-step explanation:

Given the following scenario, decide if it is a permutation or combination. Then calculate the number of possibilities. (Please write Permutation/Combination ; answer)A committee must choose 4 finalists from 15 candidates. How many ways can the committee choose the four finalists.

Answers

The right answer for the question that is being asked and shown above is that:

There are...
15 * 14 * 13 * 12 ways in order to know the four finalists.
This is equal to 32,760 ways i n order to know the four finalists.

(-3) to the 3rd power

Answers

Answer:

-27

Step-by-step explanation:

(-3)³ = -3 · -3 · -3 = 9 · -3 = -27

Your answer would be -27

Scientific notationExpress this number in scientific notation.
245,600,000,000

Answers

Answer: 2.456  x 10 to the power 11

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer:

2.456  x 10 to the power 11

Step-by-step explanation:

A patient receives 150 cc of medication in an IV drip over 4 hours. What is the rate per hour of this dose?

Answers

The average rate is 150 cc/4 hrs=37.5 cc per hour.
37.5 cc per hour you just have to divide 150cc/4 = 37.5 cc

A recipe for trail miss uses 7 ounces of almonds with 5 ounces of raisins. How many ounces would be in a one pound bag of the trail mix?

Answers

Answer:

  1. 6(2)/(3) ounces of raisin.
  2. 9(1)/(3) ounces of almond.

Step-by-step explanation:

Hint- This problem can be solved using unitary method.

A recipe for trail miss uses 7 ounces of almonds with 5 ounces of raisins.

If we mix almond and raisin in equal proportion we get 7+5=12 ounces.

We know that 16 ounces make 1 pond.

Hence, in a mixture of 12 ounces we have 5 ounce of raisin,

so in a mixture of 1 ounces we have (5)/(12) ounce of raisin,

so in a mixture of 16 ounces we will have (5)/(12)* 16=(20)/(3)=6(2)/(3) ounces of raisin.

Therefore, the amount of almond is =16-(20)/(3)=(28)/(3)=9(1)/(3) ounces.