can you mine with these?
yes can
The list of where the credit can be used:
WS Certificate Manager
AWS CloudTrail
AWS CodeCommit
AWS CodeDeploy
AWS CodePipeline
AWS Config
AWS Data Pipeline
AWS Data Transfer
AWS Database Migration Service
AWS Device Farm
AWS Direct Connect
AWS Directory Service
AWS Elastic Beanstalk
AWS Import/Export Snowball
AWS IoT
AWS Key Management Service
AWS Lambda
AWS Mobile Hub
AWS OpsWorks
AWS Service Catalog
AWS Storage Gateway
AWS WAF
Alexa Top Sites
Alexa Web Information Service
Amazon API Gateway
Amazon AppStream
Amazon CloudFront
Amazon CloudSearch
Amazon Cloudcast (deprecated)
Amazon Cognito Sync
Amazon DynamoDB
Amazon EC2 Container Registry (ECR)
Amazon EC2 Container Service
Amazon ElastiCache
Amazon Elastic Compute Cloud
Amazon Elastic File System
Amazon Elastic MapReduce
Amazon Elastic Transcoder
Amazon Elasticsearch Service
Amazon Flexible Payments Service
Amazon Fulfillment Web Service
Amazon GameLift
Amazon Glacier
Amazon Kinesis
Amazon Kinesis Firehose
Amazon Machine Learning
Amazon Mobile Analytics
Amazon RDS Service
Amazon Redshift
Amazon Route 53
Amazon Simple Email Service
Amazon Simple Notification Service
Amazon Simple Queue Service
Amazon Simple Storage Service
Amazon Simple Workflow Service
Amazon SimpleDB
Amazon Virtual Private Cloud
Amazon WorkDocs
Amazon WorkSpaces
Amazon Zocalo
AmazonCloudWatch
AmazonWorkMail