Question

MEDAL for checking an answer with Scientific Notations operation!

Question posted below...

Answer 1

\[\huge 5.3 \times 10^{-5} \times 8.8 \times 10^{-3}\]

Answer 2

\[\huge Answer \]
\[\large 4.664 \times 10^{-7}\]

Answer 3

Result can only be accurate to two decimal places

Answer 4

Also you added exponents incorrectly

Answer 5

I don't understand ...

Answer 6

When you multiply using decimals you have to count the total number of digits that occur after the decimal point. In this case there are two . One for each number . So your answer can only be accurate to two decimal places.

Answer 7

Can you explain this to me more with the question? I can't grasp what you're trying to say

Answer 8

One moment

Answer 9

@Hero

Answer 10

so where was my mistake?

Answer 11

You have three digits expressed after the decimal in your answer

Answer 12

µo you have to use rules of exponents When multiplying powers.

Answer 13

but the answer after i multiplied was 46.64.. so i moved it one space to the left to make it between 1 and 10 and so i got 4.664.

Answer 14

The exponent part is definitely incorrect though

Answer 15

can you explain to me how?

Answer 16

Because you add exponents when multiplying powers

Answer 17

i did .

Answer 18

didn't i?

Answer 19

You know, I realise now that your result IS correct

Answer 20

okay thank you. can you make sure another answer of mine?
\[\large 6.4 \times 10^{-1} \times 6.6 \times 10^{-9}\]

Answer 21

would the answer be
\[\large 4.224 \times 10^{-9}\]

Answer 22

@Hero

Answer 23

If you followed the same format as you did with your previous problem, it should be correct. You can check with wolfram

Answer 24

Okay thank you so much!!!!!!