What is the result of multiplying 2.5x10^10 by 3.5x10^-2?

The result is 8.75 x10^8

Step-by-step explanation:

When you multiply numbers in scientific notation, you do the following:  

Multiply the base numbers normally:  

2.5* 3.5 = 8.75  

The exponents with base 10 are added and the base stays the same in the result:  

10^10x10^-2= 10^(10+(-2))=10^8.  

The answer is the multiplicaton of both 8.75*10^8.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: