Question

subtract 2.6×10^3 from 7.5×10^4 with due to regard the significant figures. ​

Answer 1

Answer:

Answer:

Answer:3.575×10^{-4}10 −4

["It has 4 significant digits.]"

Solution:

Solution:2.5×10^{-6}10 −6

Solution:2.5×10^{-6}10 −6 = 0.025×10^{-4}10 −4

−4 3.6×10^{-4}10 −4

−4 3.6×10^{-4}10 −4 - 0.025×10^{-4}10 −4

−4 3.6×10^{-4}10 −4 - 0.025×10^{-4}10 −4 =(3.6-0.025)×10^{-4}10 −4

=3.575×10^{-4}10 −4

"[3, 5, 7 and 5 are significant digits in the above number.]"

Answer 2

Answer:

3.575×10^{-4}10-4 is the correct answer