correy211 correy211

19-06-2016
Mathematics

Answered

Jill arranges quarters in stacks of increasing powers of 2,starting with the zeroth power (2^0).If she ends up with six stacks,how man coins has she used?

Verified Answer :

19-06-2016

2⁰ = 1
2¹ = 2
2² = 4
2³ = 8
2⁴ = 16
2⁵ = 32

The sum = (the next power of 2) - 1

2⁶ - 1 = 63 .

($15.75 if she's stacking quarters)

Answer Link

Related Questions

What is the reciprocal of 4 A 4 B 14 C 14 D 4

A newly discovered element X has two naturally occurring isotopes 935 percent of the sample is an isotope with a mass of 2689 u and 65 percent of the sample is

Unlike DNA RNA A has deoxyribose as the sugar within its nucleotide components B contains two strands wrapped in a helix C contains nitrogenous bases D pairs ur

How many distinguishable ways can you arrange the following marbles 2 Red 1 Green 4 Yellow a 48 b 105 c 630

If the slope of a line is 2 and its yintercept is 5 what is the equation of the line

what climate comprises most of North africa

Some amino acids are considered conditionally essential under certain circumstances true false

23 2r 23 please answer

In parallelogram ABCD mBAC 4062and mBCA 3096 What is mBAD a 10842 b 8124 c 7158 d 6192

What idea is Charles Lyell known for