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Grace [21]
2 years ago
10

The diameter of a grain of sand is estimated to be about .0024 inches. Write the estimated diameter of a grain of sand in scient

ific notation.
Mathematics
1 answer:
Orlov [11]2 years ago
3 0

Answer:

2.4 x 10-₃

Step-by-step explanation:

the numbers with NO zeros should be first and the first number should be turned to a whole so like "2.4". Since there are 3 zeros (including the zero in the whole number place) you would write the 3 as the number in the right corner. And there is a minus sign beside the 3 because the Zeros are first. :)

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HELP SUPER FAST PLS
givi [52]

Answer:

GCF = 5

Step-by-step explanation:

15x² - 10x + 5

x is not contained in all 3 terms thus is not a factor

15 has factors 1, 3, 5, 15

- 10 has factors ± 1, ± 2, ± 5 , ± 10

5 has factors 1, 5

The common factors are 1, 5

Then GCF = 5

6 0
2 years ago
1/5 PART OF A POLE IS INSIDE THE MUD, 2/3 PART IS INSIDE THE WATER AND THE REMAINING LENGTH OF 10m IS ABOVE THE SURFACE OF THE W
Andrei [34K]

Answer:

1/ 5 and 2/3

cross multiple

example

1                2       =       10

/        x       /         =      /

5                 3                3

= 10/3

so it's 3 1/3 + 10 Mm

so may guess is

13.3333 infinite  or 13.34 M

Dont know if its right but good luck

8 0
2 years ago
Read 2 more answers
Find the measure of two supplementary angles, ∠A and ∠B, if m∠A = (3x – 7)° and m∠B = (2x + 2)°. =180
nikklg [1K]

Answers:

Angle A = 104 degrees

Angle B = 76 degrees

=================================

Supplementary angles add to 180 degrees.

A+B = 180

(3x-7)+(2x+2) = 180

5x-5 = 180

5x-5+5 = 180+5 ... add 5 to both sides

5x = 185

5x/5 = 185/5 .... divide both sides by 5

x = 37

Use x =37 to find

Angle A = 3x-7 = 3*37-7 = 111-7 = 104 degrees

Angle B = 2x+2 = 2*37+2 = 74+2 = 76 degrees

As a check: A+B = 104+76 = 180 so that helps confirm the answer

4 0
3 years ago
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dedylja [7]
Answer: 70 feet
explanation: 14/2=7 7x10=70
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3 years ago
I need help on these please help me smart people
Liula [17]
Help with what? there is nothing on this page for me to help u with .
7 0
3 years ago
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