150 = 2 * 3 * 5 * 5. So the code for the door is 2355 in some order.
Answer:
1.3x10^-6
Step-by-step explanation:
Use a calculator.
0.00065/5 will give you 0.00013 which can be written as 1.3x10^-4 and multiply that by 10^-2, you will add the exponents -4+-2 and get -6 as your new exponent, ending with 1.3x10^-6
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0.75
3/4=0.75
Hope this helps! :)
