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adelina 88 [10]
3 years ago
15

0.0084 scientific notation

Mathematics
2 answers:
kogti [31]3 years ago
7 0

Answer:

8.4*10^-3

Step-by-step explanation:

Move the decimal point 3 places in order to get a number in the one's place.

JulsSmile [24]3 years ago
3 0
The answer would be 8.4x10^-3
You might be interested in
The distances of a port from 20 differ- ent locations form an AP. If the farthest distance is 300 km, and the nearest distance i
Mkey [24]

Answer:

Required difference = 270/19 km

Step-by-step explanation:

If we consider the AP of distances to be

a, a + r, a + 2r, ..., a + 19r,

where a is the distance of the nearest location from the port and r is the difference between any two successive location.

Given that,

a + 19r = 300 .....(1)

a = 30 ..... (2)

Using (2), from (1), we get

30 + 19r = 300

or, 19r = 300 - 30

or, 19r = 270

or, r = 270/19

Therefore the distance between any two successive location is 270/19 km.

5 0
2 years ago
Please explain each step 5x-7=7x-17
EleoNora [17]
Let's get the same terms on the same side.
I am going to remove 5x from both sides of the equation by subtracting 5x

5x - 5x<span> -7 = 7x -</span>5x<span> - 17</span>
           -7 = 2x - 17   now lets remove the 17 from both sides
       -7 + 17 = 2x     (why do we add 17?  Think of 2x -17 as 2x +  -17.  Tor remove a negative number we add it.
Now we finally have     10=2x and if we divide both sides by 2

<u>10</u><span>  = </span><u>2x</u><u>
</u>2       2    we get that x = 5
<u />Let's check by substituting 5 in the original equation:
5(5) - 7 = 7(5) - 17
25 - 7 = 35 - 17
<span>18      =       18</span>
6 0
3 years ago
Need help i will give brainlist​
Nadya [2.5K]

Answer:

The option u chose is the correct one

7 0
2 years ago
If someone can give me the answers for all :)
tia_tia [17]

Answer:

1. x²=a² + b²

x²=10²+7²

x²=100+49

x²=149

x=√149

12.206555615

x=12.2

2.x²= a²+b²

x²=19²+ 21²

x²=361+441

x²=802

x=√802

x=28.319604517

x=28.3

3.x²=a²+b²

x²=27²+16²

x²=729+256

x²=985

x=√985

x=31.384709652

x=31.3

4.x²=a²+b²

x²= 163.84+ 28.109

x²=191.93

x=√191.93

x=13.853880322

x=13.9

4 0
3 years ago
Find the value of x in each case.
Tatiana [17]

Answer:

• First pic

{ \tt{4x + 65 \degree + x = 180 \degree}} \\  \dashrightarrow \: { \sf{ \{angles \: on \: straight \: line \}}} \\  \\ { \tt{5x + 65 \degree = 180 \degree}} \\  \\ { \tt{5x = 180 \degree - 65 \degree}} \\  \\ { \tt{x =  (\frac{115}{5} ) \degree}} \\  \\  \dashrightarrow \: { \boxed{ \tt{ \:  \: x = 23 \degree \:  \: }}}

• Second pic:

{ \tt{(180 \degree - 124 \degree) + 2x = 6x}} \\  \dashrightarrow \: { \sf{ \{interior \: angle \: sum equivexterior \: angle \} }} \\  \\  { \tt{56 \degree = 6x - 2x}} \\  \\ { \tt{4x = 56 \degree}} \\  \\ { \tt{x = ( \frac{56}{4} ) \degree}} \\  \\  \dashrightarrow \: { \boxed{ \tt{x = 14 \degree}}}

8 0
2 years ago
Read 2 more answers
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