The weight of a particle of unobtainium is 2.66 x 10−6oz. The weight of a grain of spice is 9.17 x 10−4oz. About how much more does a grain of spice weigh than the particle of unobtainium? A 6.51 × 10–3 oz B 6.51 × 10–2 oz C 9.1 × 10–2 oz D 9.1 × 10–4 oz

D 9.1 x 10^(-4) oz

Step-by-step explanation:

9.17 x 10^(-4) oz - 2.66 x 10^(-6) oz =

= 9.17 x 10^(-4) oz - 0.0266 x 10^(-4) oz

= 9.1 x 10^(-4) oz

pi x^2

step-by-step explanation:

pi times x squared

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