Multiply.

(3.5×10−5)(3×10−10)

Express your answer in scientific notation.

1.05×10−15

1.05×10−14

1.05×10−13

1.05×1015

Question

Multiply.

(3.5×10−5)(3×10−10)

Express your answer in scientific notation.

1.05×10−15

​ 1.05×10−14 ​

​ 1.05×10−13 ​

​​ ​ 1.05×1015 ​

brooklyncdy · Answer

Hold on just a second

yanasidlinskiy · Answer

Multiply the first 2 numbers.
Keep the 10 and I think you Add? If I'm not mistaking..

yanasidlinskiy · Answer

So yes, they have the same base and that's what the rule states.. Add the exponents. What do you get?

kweenlexis · Answer

1.05×10^−15

​ 1.05×10^−14 ​

​ 1.05×10^−13 ​

​​ ​ 1.05×10^15

i missed typed that

kweenlexis · Answer

I think its B

yanasidlinskiy · Answer

It's ok. I understood. So which answer did you get and no. -5+-10 is NOT 14..

kweenlexis · Answer

its 10.5 then you move your decimal and get 1.05 and you have to add 1 to your exponent don't you?

yanasidlinskiy · Answer

No. You leave it as is.

kweenlexis · Answer

well why all the answers say 1.05 im confused