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Romashka-Z-Leto [24]
2 years ago
5

Evaluate the expression. Write your answer in scientific notation.

Mathematics
1 answer:
Ksju [112]2 years ago
3 0
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.

2.16 • 10^-1
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Wen was hiking on a 12-mile route. During the first 2 hours, his hiking speed was 3 mph. During the rest of the hike, his speed
Mars2501 [29]

The total time taken to cover 12 miles distance is 5 hours.

<u>Given the Parameters</u> :

  • Total distance hiked = 12 miles

Recall :

  • Distance = speed × time

Let :

  • Total Time taken = t

<u>We could create an equation thus</u> :

Total distance = 3(2) + 2(t - 2)

12 = 6 + 2t - 4

12 = 2 + 2t

12 - 2 = 2t

10 = 2t

t = 10/2

t = 5

Therefore, the total time taken is 5 hours

Learn more :brainly.com/question/18796573

5 0
2 years ago
Shawna, Ryan, and Dominic ate a whole pizza. Shawna ate 1
mafiozo [28]

Answer:

\frac{1}{6}

Step-by-step explanation:

You need to add the amount Shawna & Ryan ate together, then subtract it from 1 to find the amount of pizza that was left for Dominic to eat.

\frac{1}{3} + \frac{1}{2} = ?

Make all the denominators the same to add fractions.

\frac{1}{3}  is \frac{2}{6}

\frac{1}{2}  is \frac{3}{6}

\frac{2}{6} +  \frac{3}{6} = \frac{5}{6}

1 -  \frac{5}{6} = \frac{1}{6}

4 0
2 years ago
The table shows the solution to the equation |2x - 4| - 3 = 3:
marissa [1.9K]
We are given the steps that are laid to determine the value of x in the expression |2x -4| - 3 =  3. First step is to add 3 to both sides, then simplify, then determine x. The first incorrect step is step 1 since we add not subtract. 
7 0
3 years ago
Read 2 more answers
grade 8 , if the mine drum diameter is 6m, calculate how far the counterweight will lift for each single rotation of the drum us
mash [69]

Answer:

ok

Step-by-step explanation:

7 0
3 years ago
the Sanchez family is going on vacation with a drive for 3 hours at the speed limit of 65 miles how many miles will it travel
sineoko [7]
Well you would take 3*65 to get your answer. The answer would be 195 miles they drove. Hope it helped

8 0
3 years ago
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