What is 34 + (3) × (1.2465) written with the correct number of significant figures?

Explanation:

Here, we need to solve the given numbers with the correct number of significant figures.

The given problem is,

Firstly, it is required to multiply 3 and 1.2465, so that we get = 3.7395

Now, we will add 34 on the above value, so that we get = 37.7395

Significant figures are used to find the value to its measurement resolution. In correct order of significant figures, 37.7395 is equivalent to 38.

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)