B. How many millimetres is a 5.7 cm long plank of wood? C. Vikash placed four 50 cm pieces of wood end to end. In meters, how
long are the pieces of wood altogether?

D. Aria cut an 8-metre piece of string into 4 equal pieces.
i) How long is each piece of string in metres?
ii) how long is each piece of string in centimeters?​

stop using this to cheat on home work

step-by-step explanation:

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b and c

step-by-step explanation:

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: