First of all, you should know/notice that
You should also know how negative exponents work:
So, if you wanted
the answer would be x=3, but since you want 125 to be at the denominator, the answer is x=-3:
You are buying batteries, a stereo, and some CDs from the I.B. Electronics store. You can buy from this store online or in a phy
sical store. You have a coupon for 10% off that can only be used in the physical store and a $5.00 off coupon that can only be used online. The sales tax of 5% only applies to the physical store. Shipping for the online store is a flat rate of $6.99. You are trying to decide whether to shop at the physical store or the online store. Using the pricing information below, how much would you pay at the online store after all discounts, taxes, and shipping fees have been applied? Item Quantity Physical Store Online Store Batteries 2 packs $5.99/pack $4.99/pack Stereo 1 system $100.00/system $90.00/system CDs 3 CDs $7.95/CD $8.95/CD $128.82 $138.04 $128.36 $118.42
2 answers:
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