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2 years ago

Describe how to subtract two numbers written in scientific notation with the same power of 10

Mathematics

1 answer:

OverLord2011 [107]2 years ago

8 0

Answer:

All you need to do is subtract the coefficient.

Step-by-step explanation:

For example a minus b is c. So this is simply going to be c times d to the e you can do that if these two are the same.

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Which one is the correct answer

galben [10]

Jim can do the 1/2 of floor in 4 hours
pete completes 1/2 of floor in 2 hour

therefor, since, pete took 1/2 as much time, pete can tile 2 times as many tiles (logic)

pete can lay 25 more than jim
if pete is 2 times of jim
p=2j
and pete is 25 more than jim
p=25+j
2j=p=25+j
2j=25+j
minus j
j=25

jim lays at 25 tiles per hour
C is answer

6 0

3 years ago

Which of the following is the inverse of y = 3 Superscript x? y = StartFraction 1 Over 3 Superscript x Baseline EndFraction y =

Svet_ta [14]

Answer: C

Y=(1/3)^X

Step-by-step explanation:

Find the inverse of y=3^x which is f^-1 (x) = −ln(x)/ln(3) which is also the inverse for C.

8 0

3 years ago

Read 2 more answers

Please help me with this

mash [69]

Answer:

The correct answer is first option

Step-by-step explanation:

From the figure we get, mAXM = 72° and m<AMR = 38°

Also it is given that, all triangles are isosceles triangles and

m<FXA = 96°

To find the measure of <FXM

From the figure we get,

m<FXA = m<AXM + m<FXM

m<FXM = m<FXA - m<AXM

= 96 - 72

= 24

Therefore the correct answer is first option

4 0

3 years ago

Find the sign of each of the following numbers a b c and if

wel

Answer:

numbers ABC sign each following find formula 

4 0

1 year ago

Evaluate : X + 2 ( x -20) (4) for x = 10

Oxana [17]

Answer:

x + 2 ( x - 20 )( 4 ) = -70

Step-by-step explanation:

hope this helps. . .<3

6 0

2 years ago