Can someone help with this asap

There are 5⁸ blades.

Step-by-step explanation:

Given that,

The area of land

Each acre has 5⁴ blades of grass

We need to find how many blades of grass have by the entire land. It can be calculated as follows :

Hence, there are 5⁸ blades.

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .