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skad [1K]
3 years ago
5

2. Round off your answer to the nearest tenth: 2(-11)-5(-6) 7–3(-2)

Mathematics
1 answer:
Tcecarenko [31]3 years ago
4 0

Answer:

12

Step-by-step explanation:

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About 2,000,000 people visited the aquarium last year. If this number were rounded to the nearest million, what was the greatest
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Okay, so there's a number rounded to the nearest million, in this case 2 million. So this tells me that the number of visitors is between 1,500,000 and 2,499,999. The reason why 1,499,999 doesn't count is because the hundred thousands digit is not 5 or above, so it doesn't count. It would round down to 1 million, not 2 million. The reason why 2,500,000 doesn't count, is because the hundred thousands digit is 5, so that rounds to 3 million, not 2 million. The greatest number of visitors that visited the aquarium has to be 2,499,999, because that's one digit away from 2.5 million, and the hundred thousands digit is a 4, not 5. The answer is 2,499,999
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3 years ago
PLEASE HELP ASAP 30 POINTS
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2 years ago
Kris wanted to understand whether students at her school were in favor of an extended school day. She surveyed some students and
puteri [66]

the table below:

Grade        In favor   Opposed Undecided    Total

Grade 9     6                   4                       8                18

Grade 10     10         11                        9                30

Grade 11     12        15                      11                  38

Grade 12     15        6                      14                  35

If the principal randomly selects a student in grade 10 from this survey,

the probability that the student is opposed to extending the school day

P ( student in grade 10 is opposed)= Number of student in opposed(grade10) / total number of students in grade 10

Number of student opposed who is in grade10 = 11

total number of students in grade 10 = 30

P( student in grade 10 is opposed)=  \frac{11}{30}

= 0.37

the probability that the student is opposed to extending the school day= 0.37

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3 years ago
(6.25•10^9)(9.8•10^16)
AVprozaik [17]

Answer:

This is your answer.. you add exponents

7 0
3 years ago
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