Exponents — MATHS STD 7 — Question

What per cent of 2.8 kg is 980 g ? ________.

When we multiply two decimals, the number of decimal places in the product is equal to the _________ of the decimal places in the given decimals.

A line segment extended endlessly in one direction is called a ________.

A triangular pyramid has ……… faces, ………. edges and ……… vertices.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.
Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true: (6 + 3) ____ B.

The highest power of the _______ in a polynomial is called its degree.

x – y – z = x - {…….)

A solid that has congruent and parallel polygons as top and bottom faces and all other faces rectangular is known as ………