Respuesta :
to write 0,0045 in scientific notation, we will have to move the decimal point three point to right, which literally means multiplying by 1000=103 . Hence in scientific notation 0.0045=4.5×10−3 (note that as we have moved decimal three point to right we are multiplying by 10−3 this is an example
It is 1.4x10^-1 in scientific notation.
Move the decimal place 1 space to the right, then round up.
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