It was commercially introduced in 1839, a date generally accepted as the birth year of practical photography. The metal-based daguerreotype process soon had some competition from the paper-based calotype negative and salt print processes invented by William Henry Fox Talbot
Answer:
2.456 x 10^11
Explanation:
Go Search scientific notation convertor by calculator soup on the internet
Answer:
D is the correct answer , if im wrong sorry. hope it helps
Explanation:
it was right for me on my test
B) -4
5b=6a+16
9a=7b-20
b=(6/5)a+(16/5)
9a=7((6/5)a+(16/5))-20
9a=(42/5)a+12/5
(3/5)a=12/5
a=4
5b=6(4)+16
5b=24+16
5b=40
b=8
3(4)-2(8)
12-16=-4
Answer:
Neil Armstrong was the first person to step on the moon on July 20, 1969. Buzz Aldrin and Neil walked around for about three hours. So, both Aldrin and Armstrong were the first, technically speaking.