MATHEMATICS HIGH SCHOOL

What is the product of 3.4 × 10−14 and 1.8 × 1028?6.12 × 1014
9.4 × 1014
5.2 × 1042
6.12 × 1042

Answers

Answer 1
Answer:

Answer:

6.12*10^(14)

Step-by-step explanation:

we know that

(a*10^(m))*(b*10^(n))=(a*b)*10^(m+n)

In this problem we have

a*10^(m)=3.4*10^(-14)

b*10^(n)=1.8*10^(28)

therefore

3.4*10^(-14) *1.8*10^(28)=(3.4*1.8)*10^(-14+28)=6.12*10^(14)
Answer 2
Answer: remember
(x^m)(x^n)=x^(m+n)
and commutaitve property

(3.4 times 10^-14) times (1.8 times 10^28)=
(3.4)(10^-14)(1.8)(10^28)=
(3.4)(1.8)(10^-14)(10^28)=
(6.12)(10^(-14+28))=
(6.12)(10^14)

answer is first option

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WILL GIVE BRAINLIESTA person who can repair just about any type of mechanical problem that occurs in a vehicle is a

A. general repair technician.
B. service manager.
C. electrical system specialist.
D. passenger comfort specialist.

Answers

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General repair technician

Katie ran 200 meters in 32 seconds. What was Katie's speed?

Answers

Answer:

Step-by-step explanation:

200 divided by 32 =6.25 or 6

How many significant figures does the number 5280 FEET have? A) 2 B) 3 C) 4 D) 5

Answers

Answer:

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If mark bought a plasma TV for $2499 on the installment plan and paid 101.50 for 28 months, how much did he pay in finance charges?A. 343
B. 400
C. 249
D. 101.50

Answers

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What are the solutions to the quadratic equation 4x^2 = 64? A. x = −16 and x = 16
B. x = −8 and x = 8
C. x = −4 and x = 4
D. x = −2 and x = 2

Answers

Answer:

C

Step-by-step explanation:

Given

4x² = 64 ( divide both sides by 4 )

x² = 16 ( take the square root of both sides )

x = ± √(16) = ± 4

Solutions are x = - 4 and x = 4 → C

If you are paid $23.25 per hour, what is your annual salary? (Assume you work 40 hours each week of the year.)

Answers

$23.25 per hour
work 40 hours per week
Find your annual Salary
In a month, there are approximately 4 or 5 weeks  (only refer to regular working days)
Let’s only use 4.
=> 40 x 4
=>160 hours in 1 month
In a years there are 12months
=> 12 x 4
=> 48 weeks in a years (only for regular working days) or let’s round it to 50 weeks per year
Now, let’s multiply 48 weeks by 40 hours and 50 by 40 hours
=> 48 x 40
=> 1920 hours in a year
=> 50 x 40
=> 2000 hours
Now, let’s  find how much is your annual salary
=> 1920 x 23.25 = $44 640
=> 2000 x 23.25 =$46500
=>approximate  or around





Answer:GET YALL POINTS

Step-by-step explanation:
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