Question

Express this number in scientific notation.

0.1558

Answer 1

Is the answer 1.558*10^1?

Answer 2

See if you times 1.558 with 10, will you get 0.1558?

Answer 3

No, I got 15.58

Answer 4

It's actually 1.558*10^-1
You were correct, you were just missing the negative.

Answer 5

Exactly. So a trick to figuring out if it's a positive or negative power is this: If you made the number in significant figures larger, the power gets smaller aka negative. And vice versa.

Answer 6

you need to the negitive 1 10^-1

Answer 7

Okay, thank you all for your help!

Answer 8

Larger for example, is from 0.1558 to 1.558. So your power should be negative.

Answer 9

Okay, thank you

Answer 10

The reason why it's a negative exponent.