What is the following number in decimal form? 8.61 × 10 ^–8
a. 0.000000861
b. 0.0000000861
c. 8,610,000
d. 861,000,000

Respuesta :

[tex]10^{-n}=0\underbrace{.00...01}_{n}\\\\therefore\\\\8.61\times10^{-8}=8.61\times0.00000001=\huge\boxed{0.0000000861}[/tex]