How many times more energy does a 450-nm blue photon have than a 656-nm red photon?  answer to three significant figures

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Q: Mitzi drops a ball from a height of 10 m and notices that on each bounce the ball returns to about…

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Q: 4. One-fourth of a 520 cm log is cut off. Then of 5 the remainder is cut off. How much of the log…

A: Remaining length of log = Initial length - Cut off length

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A: It is given that An earthquake that released 100 million joules of energy

Q: how long will it take for the population to reach 140 grams

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Q: How many times more intense is an earthquake of magnitude 8.2 than an earthquake of magnitude 7.5?

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Q: If you leave a 100-W light bulb on for a week, how many joules of energy will be consumed?

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Q: Which dog is fed more than 1 quart but less than 1/2 of food each day?

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Q: Lise Meitner bombarded 300 uranium atoms with a stream of neutrons for 10 seconds each.  She…

A: From the given information, Lise Meitner bombarded 300 uranium atoms and recorded the energy…

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.