Questions and Answers

Your Questions About X100

July 19, 2013

Sharon asks…

What is the percentage of change from 166 deaths in 2002 to 552 deaths in 2009?

How do I get the percentage of change?

Administrator answers:

Deaths in 2002=166
deaths in 2009=552
% change=486/166 x100= 292.77

Chris asks…

How do I do this scientific notation question?

The mass of the sun is 2.2 x 10 to the power of 30 kilograms.
The mass of the earth is 5.97 x 10 to the power of 24 kilograms.
Express the mass of the earth as a percentage of the mass of the sun.
Give your answer in scientific notation.

Administrator answers:

You divide the mass of earth by the mass of the Sun, so (5.97×10^24) / (2.2×10^30)
It simplifies to (5.97/2.2)x(10^24)/(10^30)= 2.713x(1/10^6)= 2.71x(10^-6)=2.71×10-6. Now as they say it has to be in a percentage, we multiply by 100, so (2.71×10^-6)x100=2.71×10^-4

Helen asks…

Your Open Question: How do the new fujifilm X(100s/20) cameras compare to the full frame Nikon d600/Canon 6d?

I know they’re completely used for a different type of photography, but i just want to know about image quality. Im not concerned about auto focus one bit… If the image quality is the same i just want to go with what’s lighter

Administrator answers:

Since the Fujifilm camera has yet to be tested, all I can do is show you the results of the Nikon D600 and Canon 6D


The comparison of features of those three cameras

Michael asks…

what are the main Controls and features of a compact camera?

what are the main Controls and features of a compact camera?

Administrator answers:

Basic compact (e.g. Nikon Coolpix L-series, Canon Powershot A-series) – Shutter button, zoom controls. Reviewing options, force macro focus, select scene program, timer.

Fashion/premium compact (e.g. Canon IXUS, Fujifilm Finepix Z-series, Sony Cybershot T-series) – Same as basic compact plus, program AE, and more “creative” options.

Travel zoom compact (e.g. Panasonic Lumix TZ-series, Canon Powershot SX2xx series) – Same as basic compact plus, more zoom range, Program AE, Aperture Priority, Shutter Priority, Manual exposure, and zone focus control.

Prosumer compact (e.g. Canon Powershot S-series, G-series, Panasonic Lumix LX-series, Fujifilm X-10, Nikon Coolpix P-series) – Same as travel zoom, plus SLR-like layout (some models), optical viewfinder (some models), hot shoe (some models), electronic viewfinder attachment (Panasonic and Olympus only), and manual focus.

Bridge (e.g. Finepix X-S, Finepix S, Powershot SX10-50, Lumix FZ-series) – Same as travel zoom plus, manual focus (high end models only), electronic viewfinder, a lot more zoom range. Looks a bit like an SLR with it’s hump.

Specialist compact (i.e. Sigma DP1/2 series, Leica X1, X2, Fujifilm Finepix X100, Canon Powershot G1X) – everything you’d expect on a DSLR, except the lens on these cameras cannot be removed.

Robert asks…

How to turn a number into a percent?

Could you please explain how 0.1 = 10% ?
Obviously, you get it by multiplying 0.1 by 100. But, lets say that I have a number that is equal to 50. To turn it into percentage, do I divide it by 100?
What is the difference between the two?
Ok. Please, explain to me how to convert 0.1 into percents.

Administrator answers:

Take off the % sign and replace it with /100. So in your case, 10% is 10/100 or 0.1.
Going backwards, multiply the number by 100 and place a % sign after it. So, 0.1 x100 = 10%

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