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DIRECTIONS: Solve the following problems. Show your complete solutions. ​

DIRECTIONS Solve The Following Problems Show Your Complete Solutions class=

Sagot :

1. amount of light = 10(0.4)^x, where x is in meters.

@ 1 m

amount of light = 10(0.4)^x

amount of light = 10(0.4)¹

amount of light = 4

@ 3 m

amount of light = 10(0.4)^x

amount of light = 10(0.4)³

amount of light = 0.64

2. amount remaining = (0.87)ⁿ, n = 4 days

amount remaining = (0.87)ⁿ

amount remaining = (0.87)⁴

amount remaining = 0.5729

amount remaining = 0.57

3. P(1.1)^t, P = $130, t = 5 years

coin purchased = P(1.1)^t

coin purchased = $130(1.1)⁵

coin purchased = $209.3663

coin purchased = $209.37