What is 7.2 times 10 to the 7th power times 14.6 x 10 to the 5th power?

7 x  times 14.6 x

Multiply 7 and 14.6 and add exponents

Final Answer 102.2 and

hope that helps :)

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.