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docker41 [41]
3 years ago
14

Marco and Suzi each multiplied 0.721 x 100 (it’s actually 10 to the second power but i don’t think they have anything like that

on the keyboard so i wrote 100). Marco got 7.21 for his product. Suzi got 72.1 for her product. Which student multiplied correctly? How do you know?
Mathematics
2 answers:
MariettaO [177]3 years ago
6 0

Answer:

72.1

Step-by-step explanation:

Suzi

Nikitich [7]3 years ago
3 0

Answer:

Suzi did

Step-by-step explanation:

Yes they do have 10^2 power on your calculator.

Look for the ^ key or Exp or y^x or x^y. Most scientific calculators have one of those.

Suzi did it correctly. 0.721 * 100 is a decimal move two places to the right. That would bring the decimal between the 2 and the 1.

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30 minutes into 3 feet per minute
Soloha48 [4]

Answer:

This is how you convert

Step-by-step explanation:

Feet per minute is speed unit, symbol: [fpm]. Definition of 1 feet per minute ≡ 1 ft / 60 s = 30.48 cm / 60 s. The speed with which the body moves 1 foot (or 30.48 centimetres) in 1 minute.. Compared to metre per second, feet per minute is smaller unit.

5 0
2 years ago
Find the average. Round your answer to the nearest whole number.<br><br> 8, 12, 7, 5, 2
AVprozaik [17]

Answer:

7

Step-by-step explanation:

8 + 12 + 7 + 5 + 2= 34

34/5 =6.8

Rounded =7

5 0
3 years ago
how to solve 2 to the 8th power divided by 2 to the 9 power? Im trying to find the right exponets topic for this but not having
MArishka [77]

2 to the negative 1 power. When you divide two exponents with the same base, you subtract the two exponents to get your answer.



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7 0
3 years ago
2/5+x=1 What equals x?
kolbaska11 [484]

Answer:

Step-by-step explanation:

2/5 + x = 1

Multiply each term by 5

2 + 5x = 5

5x = 5 - 2

5x = 3

x = 3/5

8 0
3 years ago
Read 2 more answers
Which has the larger area, a square with sides that are x +1 units long or a rectangle with a length of x +2 units and a width o
swat32

Answer:

A. Square

Explanation:

The square with sides: x+1

Has an area of: (x+1)^2

The rectangle with sides: x+2 and x

Has an area of: x(x+2)

So we simplify the square: (x+1).(x+1)= x^2+2x+1

Simplifying the rectangle: x^2+2x

Therefore the square area is larger by one unit.

Hope you get it!

6 0
3 years ago
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