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MrMuchimi
3 years ago
5

OMG i'm freaking out. I take 8th grade algebra and my parents don't understand this. I need help! Can someone explain these two

problems?! either one please!!!
Mathematics
1 answer:
Ivan3 years ago
6 0
Sure, can I see the problem?
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What is the following number in decimal form? 2.93 × 10−7 =
Arisa [49]
a^{-n}=\left(\frac{1}{a}\right)^n\\\\10^{-7}=\left(\dfrac{1}{10}\right)^7=\dfrac{1}{10,000,000}=0.0000001\\\\2.93\times10^{-7}=2.93\times0.0000001=\boxed{0.000000293}
3 0
4 years ago
Is |-4| equal to |4|?
weqwewe [10]

Answer:

Yes

Step-by-step explanation:

Absolute value measures the distance between the number and 0. The distance between -4 and 0 is 4, and the distance between 0 and 4 is 4. Therefore, they are equal.

5 0
4 years ago
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Adm,Ming,and Clinton sold sandwiches in the ratio 4:7:3 to raise money for their scout troop.Ming sold 91 sandwiches. How may sa
bonufazy [111]
The ratio in which Adm, Ming and Clinton sold sandwiches = 4:7:3
Number of sandwiches sold by Ming = 91
Let us assume the common ratio to be = x
Then
7x = 91
x = 91/7
  = 13
Then
The number of sandwiches sold by Adm = 4 * 13
                                                                   = 52
The number of sandwiches sold by Clinton = 3 * 13
                                                                      = 39
So
The total number of sandwiches
 sold by Adm, Ming and Clinton = 52 + 91 + 39
                                                  = 182.
So a total of 182 sandwiches were sold by Adm, Ming and Clinton.
 
7 0
4 years ago
How much chuck, could a wood chuck chuck, if a wood chuck, could chuck, wood.
vladimir1956 [14]

Answer:

None

Step-by-step explanation:

Woodchucks can't chuck wood

7 0
2 years ago
Read 2 more answers
What is the area of triangle PQR?
Rufina [12.5K]
Area = 1/2 bh = 1/2(86)(52) = 2236
answer
2236 square inches
7 0
4 years ago
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