Question

8 x 10^-3 is how many times as great as 4 x 10^-6

2x10^3

2x10^9

2x10^-3

2x10^-9

Answer 1

2x10^-3

Explanation:

Answer 2

It is greater by 2*10^3 times.

Explanation:

Given:

Two numbers in scientific form we have to find the differences.

Using exponents product rule.

We know that
`a^x* a^y=a^x^+^y` base same then exponents are added.

So,

⇒
`4* 10^-^6* 2* 10^3`

⇒
`8* 10^-^6^+^3`...powers are added

⇒
`8* 10^-^3`

We see that after multiplication with
`2* 10^3` the numbers are same.

Then we can say that
`8* 10^-^3` is
`2* 10^3` times greater than
`4*10^-^6`

So 8 x 10^-3 is 2x10^3 times as great as 4 x 10^-6 .