Mari and rob are making a poster for the science fair. They need to figure out how much a rock that weighs 7 pounds on earth would weigh on Mars. They know that they can multiply the amount the rock weighs on earth my 0.38 to find it’s weight on Mars. Which of these would you need to add to find the product of 7 and 0.38 pick all that apply 0.7 0.56. 2.66. 2.1. 0.38
Please answer ASAP

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?