7. Christina bas three substances. Each substance is a cube with a volume of 6 milliliters. She is going to place all three subatances in a tub of wnter and wants to know which will float. Substance A has a mass of 4 grams, substance B has a mass of 8 grains, and substance C has a mass of 10 grams. Part A Which substance will float? Part B Expluin bow you know which substance wil floạt.

i think 1: 2

step-by-step explanation:

lolololkzaxio2ier286udeg

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation:

angle efh= angle egh