A fish tank contains 70 litres of water rounded to 1 significant figure. 30 litres of water, rounded to 1 significant figure, are removed form the tank. Work out the upper bond of the volume of water left in the fish tank

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step-by-step explanation:

i think the amount would be $140.62

idk wbu

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10