2 years ago

Which of the following is the same as 2.3 x 10^3? a) .23 b) 230 c) .023 d) 2,300

Mathematics

2 answers:

3241004551 [841]2 years ago

7 0

The answer is D you move the decimal over 1 then add 2 0

Cerrena [4.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

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The sum of three numbers is 24. Twice the middle number is 2 more than the largest number, and the largest number is equal to th

harina [27]

Answer:

x = 5, y = 7, z = 12

Step-by-step explanation:

Let the numbers be x, y and z

x + y + z = 24
2y = z + 2
z = x + y

Solving by substitution:

x + y + z = z + z = 24
2z = 24
z = 12

2y = z + 2
2y = 12 + 2
2y = 14
y = 7

z = x + y
x = z - y
x = 12 - 7 = 5

The answer:

x = 5, y = 7, z = 12

8 0

2 years ago