A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second.

About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds?



express the answer in scientific notation.

3 answers

can you not find
1.8×10^4 ÷ (3.6×10^−2) ?

hint: remember your exponent laws
what don't you understand about "multiply the two numbers"?

3.6×10^−2 * 1.8×10^4 = (3.6*1.8)×10^(-2+4)
...
go with Steve's multiplication
I picked the "wrong" special symbol, should just stick with standard keyboard keys
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