Yeah 82,300,000 scientific notation

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

6 0

Answer:

8.23 * 10^7

Step-by-step explanation:

82,300,000

Scientific notation is of the form a * 10 ^b

The number a must be between 1 and less than 10

Move the decimal 7 places to the left b is +7 since we moved to the left

8.23 * 10^7

IceJOKER [234]3 years ago

4 0

Answer:

Dear user,

Answer to your query is provided below

82300000 in scientific notation = 8.23 × 10^7.

Step-by-step explanation:

Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.

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Simplify to create an equivalent expression.

Sergio [31]

This is how I got the answer it’s c

8 0

3 years ago

One person can do a certain job in 15 minutes and another person can do the same job in 30 minutes. How many minutes will it tak

Flauer [41]

Hello! Your answer is B, 10 minutes.

Say the x = minutes taken to do the job. You can set up an equation like this to solve this.

$\frac{1}{15} x + \frac{1}{30} x = 1$

This is representative of the situation. The fractions each represent how much each person does in a minute, and when they're multiplied by x, that's how much of the project they get done based off of the minutes they work together on the job. Add the two together, and you get how much of the project is finished in x amount of time. Set it equal to 1, as you are looking for 100% completion.

Once you have this equation, find a common denominator, add, and solve.

$\frac{1}{15} x + \frac{1}{30} x = 1$

$\frac{2}{30} x + \frac{1}{30} x = 1$