Solve, giving your answers correct to 3 significant figures. a. 2 x+2 + 2 x = 220

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Solve, giving your answers correct to 3 significant figures.
a. 2^x+2 + 2^x = 220

b. 3^x+1 = 3^x−1 + 32

c. 2^x+1 + 5(2^x−1) = 24

d. 5^x + 5³ = 5^x+2

e. 4^x-1 = 4^x - 4³

f. 3^x+1 - 2(3^x-2) = 5

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Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

ISBN: 9781108407199

1st Edition

Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey

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Question Posted: Mar 14, 2023 07:18 AM

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Solve, giving your answers correct to 3 significant figures. a. 2 x+2 + 2 x = 220

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a 2x2 2x 220 Simplifying we get 4x 2 220 4x 218 x 545 Ther...View the full answer

Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

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