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Julli [10]
3 years ago
12

if there are about 3.346x10^26 molecules of water in a liter of water and the ocean is about 1.26x10^21 liters in volume, how ma

ny water molecules are there in the ocean?
Mathematics
1 answer:
Natalka [10]3 years ago
8 0

Answer: 4.21596 x 10⁴⁷

<u>Step-by-step explanation:</u>

  (3.346 x 10²⁶) (1.26 x 10²¹)

= (3.346 x 1.26) x 10²⁶⁺²¹

= 4.21596 x 10⁴⁷

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There are 600 pages in a novel. Rui feng reads 150 pages of the novel on friday and 40% of the remaining pages on sunday express
nadya68 [22]

Step-by-step explanation:

percentage

current number/total number * 100

150/400*100 is 37.5%

5 0
3 years ago
How can I find the surface area of a right cone with a radius of 6 and slant height of 16
VMariaS [17]
First, you have to calculate the height.
Pythagorean Theorem:
a^2+b^2=c^2
Slant height=c^2
Radius=b^2
So, a^2+6^2=16^2
       a^2+36=256
       a^2=220
       a=14.832397
Surface Area = πr(r+ square root of h^2+r^2)

Surface Area is approximately 414.69
3 0
4 years ago
To make one ham sandwich, tina uses one bread roll and two ham slices
igor_vitrenko [27]

Answer:

£67.78

Step-by-step explanation:

Bread - 6 x £2.87 = £17.22

Ham - 8 x £6.32 = £50.56

  £17.22

+ <u>£50.56</u>

  £67.78

6 0
3 years ago
The number 3.07 × 10 -4 written in standard form is _____.
Nina [5.8K]

Answer:

0.000307

Step-by-step explanation:there will be no explaintion but it should be correct

8 0
3 years ago
What is the intersection of y=7 and y=1\2x+6
kotegsom [21]
Y=7 is just a straight horizonal line that is perpendicular to the y axis at 7

and y=1/2x+6, is in y=mx+b form where m=slope and b=yintercept so

to find the intersection, yo just find when both sentances are correct so

y=7
subsitute that into y=1/2x+6

7=1/2x+6
subtract 6 from both sides
1=1/2x
multiply both sides by 2
2=x

so the point (2,7) is the intersection
8 0
3 years ago
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