Write the correct integer in the blanks
-5×4×___=-60
Given: -5×4×___=-60
Let the missing number be x
⇒-5×4×x=-60
⇒-(5×4)×x=-60
⇒-20×x=-60
⇒x=-60-20
∴x=3
Hence, the correct answer is 3
Observe the patterns and fill in the blanks:
63×10=63×1×10=630×1
63×20=63×2×10=630×2
63×30=63×3×10=630×3
63×40=63×4×10=_____________________
63×50=63×5×10=_____________________
Fill in the blanks :
Exponential
Form
___÷9=7
___÷-3=8
12÷-3=___