Question

1. find the value 7²- 2⁷
2. simplify 2⁷ × 2²
3. simplify 3²/ 3²​

Answer 1

Step-by-step explanation:

1) 7²= 49

2⁷= 128

Therefore 7²- 2⁷ = -79

2) 2⁷= 128

2²= 4

Therefore 2⁷ × 2² = 512

3) 3²= 9

3²= 9

Therefore 3²/ 3² = 1

Answer 2

${ \mathbb{ \green{1. \: find \: the \: value \: 7²- 2⁷}}} \\ { \red{ \sf\to{49 \: - 128}}} \\ { \red { \sf \to{ - 79}}} \\ \\ { \green{2. \: simlify \: 2⁷ × 2²}} \\ { \red{ \sf \to{128 \: \times 4}}} \\ { \red{ \sf \to{512}}} \\ \\ { \green{3. simplify \: 3² \div 3²}} \\ { \red{ \sf \to{9 \: \div \: 9}}} \\ { \red{ \sf \to{1}}}$