Im.not sure but i tjink its 10
86921 = 80000 + 6000 + 900 +20 +1
Answer:
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Step-by-step explanation:
A -120 difference will be seen in the temperature within a 7 hour period
<u>Equation</u>
<em>-</em>30 x 7
<em>Multiplying two of different signs ( - + , + - ) will always be negative.</em>
<em>Multiplying two of the same sign ( - - , + + ) will always be positive.</em>