Write an expression that can be used to multiply 6x198 mentally.
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Answer 1
Answer:
assuming you meant 6x198 do a mental sum for 6x200 (1200) then subtract 6x2(12)to give you 1188
Answer 2
Answer:
In this problem, we are asked to give an expression that can be used to mentally multiply 6 and 198. In order not to go through the rigorous multiplication, we can estimate 198 to 200, that is 6 *200 equal to 1200. Since there is a 2*6 excess or 12 then we subtract: 1200 -12 equal to 1188.
There is infinite amount of numbers that are equivalent
What equation represents a number y decreased by 25 is 100 ?
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y - 25 = 100
If you were to solve it then y = 125
Y= 100-25 that is the answer
What is 0.0000000734 estimated as the product of a single digit and a power of 10?______*10^-------
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7*10^8 is estimated as the product
Hello! Could you please help me with problem two part a? Thank you!
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as time goes up, the number goes down therefor we have an exponential function we take 2 points (0, 25,000) and (1, 23,750) and use our trusty TI and find the equation