Question

Perform the following operationand express the answer inscientific notation.4.000x10^5 – 1.250x10^4[ ? ]x10!

Answer 1

Explanation:

First, we transform 4.000x10^5 into 10^4. It is 40.00 x 10^4. Now we do the subtraction:

40.00x10^4 - 1.250x10^4

38.75x10 ^4

In scientific notation, we have: 3.875x10^5

Answer: 3.875x10^5